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Windows 8.1 upgraded then login and black screen

    Question

  • I just upgrade to win 8.1 pro from 8.0 pro. After logout and login. Nothing display. I can only use ctrl-alt-del to start the task manager. And found that "c:\windows\explorer.exe" can't work.

    There are error message once I try to explorer something, the message is "can't find the program entree point. ?Createlnt@Value@DirectUI@@SAPEAV12@H@Z(in dynamic link program library C:\WINDOWS\system32\explorerframe.dll).
    Thursday, October 17, 2013 3:53 PM

All replies

  • "I just upgrade to win 8.1 pro from 8.0 pro. After logout and login. Nothing display. I can only use ctrl-alt-del to start the task manager."

    I have this exact issue after updating 8 to 8.1 Pro x64.  I can also move the mouse cursor.  If I wait 5-6 minutes, it will eventually log in.  This issue occurs after every logout/restart.

    **EDIT**

    Disabling the "App Readiness" service resolved my issue:

    • Run --> msconfig --> Services Tab --> Uncheck "App Readiness" --> Apply/Okay --> Reboot

    ** I did not have issues running metro apps, as others have mentioned.  This solution only resolves the issue of the black screen while attempting to load the desktop after logging in.




    • Edited by dsDoan Thursday, November 28, 2013 3:41 AM Resolution
    • Proposed as answer by nanobacha Tuesday, April 15, 2014 6:21 AM
    Thursday, October 17, 2013 4:45 PM
  • I am having the same issue. If I wait long enough, my desktop will appear, but when I go in to Metro, most of my programs (tiles? apps?) are unavailable or show an error.
    Thursday, October 17, 2013 5:52 PM
  • Same issue as everyone described , win x64 Pro.

    Though I can launch iexplore as well, for instance.

    In Another, most likely unrelated, error all my Pictures have also been removed on upgrade.

    Thursday, October 17, 2013 7:31 PM
  • Same exact issue. I've tried a few things but still no luck. Maybe a refresh is the only option?....
    Thursday, October 17, 2013 10:03 PM
  • Yep, confirmed the same here, except that my mouse no longer works as well.
    Thursday, October 17, 2013 10:10 PM
  • Getting on my nerves now... I just want a solution
    Thursday, October 17, 2013 10:30 PM
  • I am having the same issue!

    Microsoft please help.

    I think its an issue with the video drive or video card...

    Thursday, October 17, 2013 11:05 PM
  • I have been fighting with this all day with no luck, but I have been able to make a bit of "progress".  

    1) Automatic repair failed.

    2) No restore point set (I'm an idiot)

    3) Changed startup settings to Enable debugging mode

    a) This allowed me to load into Windows 8.1 normally for a few minutes.  Then I got a BSOD with a service_thread_exception_not_handled (igdkmd64.sys)

    b) This led me to update my on board intel driver.  But that led to more BSOD with no .sys file mentioned

    4) I could not update my video card driver because it is not allowed in safe mode.

    Nothing loads for me if I leave the black screen and it will not recognize a ctrl-alt-del command.


    **EDIT**

    I removed all my display drivers but could not load Windows properly.  BUT, it did load when I set the startup settings to Enable debug.  Now I am updating my drivers with no crashes (yet).  Then I will see if it will startup properly.

    • Edited by bigsly Friday, October 18, 2013 3:20 AM progress?
    Thursday, October 17, 2013 11:52 PM
  • Just the kind of results I've grown to expect from a new ms release. End users become beta testers.
    Thursday, October 17, 2013 11:56 PM
  • Just the kind of results I've grown to expect from a new ms release. End users become beta testers.

    Having same issue here...Where is the support?
    Friday, October 18, 2013 3:42 AM
  • I assume that since this is just the forum, a response will be delayed.  However, I could not find anything in the support section.  I checked some other sites as well and nothing.  I just registered on technet after lurking for years so this may be a stupid question but does the support section actually provided decent support?
    Friday, October 18, 2013 3:51 AM
  • I have the same problem. I just upgraded from Windows 8 to Windows 8.1 and I'm very disappointed. I need to run cmd.exe (with administrator rights) via task manager and type sfc /scannow and then run explorer.exe just to get a temporary explorer and everything is fine until I restart my laptop and the new session lasts for 5-10 minutes and then it signs me out again. I'm searching through other resources to find a solution but can't find anything.

    We need support here from Microsoft to identify the problem. I also updated my graphic card drivers and get the latest updates from Windows Update. Maybe it has something to do with the apps compatibility, but don't know which app may causes the problem.

    We would be very grateful if someone from Microsoft support identifies the problem. We should not have such unpleasant upgrade experiences.

    Thank you.

    Friday, October 18, 2013 4:39 AM
  • having the total same issue tried installing and reinstalling graphic driver, sfc scannow fixed the issue for awhile then i got force logout then i login the same issue reappear...please help fixing this i dont feel like doing fresh install ... 

    my specs are : 
    Intel i5 3470 | Asus P8B75-M LX | Team Elite 1333 2GB x2 | Plextor M5S 256GB | WD 500GB + 1TB | Palit GTX560 TI | 24X LG DVD-RW | FSP HEXA 500W |

    Friday, October 18, 2013 6:12 AM
  • I had the same problem. Managed to find a temporary fix by installing the previous version of the intel 4000 graphics driver (15.31.9.64.3165). I had to boot into safe mode first ). Now I'm up and running but the intel drivers aren't perfect but working. Microsoft/Intel need to sort this out quick or there are going to get crap over this.

    Laptop Config - Samsung ATIV Book 8, Intel i7 3635QM, 16 GB Mem, 512 GB SSD, Intel 4000/ AMD Radeon HD 8800M

    Friday, October 18, 2013 8:01 AM
  • I had a similar problem, for me it was having old version a Start Menu replacement installed. I was able to fix the problem by 1. Running cmd 2. Using cmd to start FIREFOX 3. Downloading new version of StartIsBack and installing it After that I was good to go
    Friday, October 18, 2013 11:33 AM
  • > I just upgrade to win 8.1 pro from 8.0 pro. After logout and login. Nothing display. I can only use ctrl-alt-del to start the task manager.

    Utter nightmare.

    Like an idiot I did the same thing and upgraded Win8.0 Pro ==> Win8.1 Pro, and all I get is a totally black screen. If I move the mouse the mouse pointer (white arrow) appears for a second or so. 

    In my case control/alt/delete has no effect to screen. And I cant get F8 nor shift/F8 to work during reboot and so I cant get to boot into safe mode.

    How do I uninstall Windows 8.1 ?

    My hardware: a new Samsung Series 7 Ultra Notebook 128GB SSD 13.3"  Model:  NP740U3E-S04UK.

    Thanks

    J


    • Edited by JS69 Friday, October 18, 2013 12:11 PM
    Friday, October 18, 2013 12:08 PM
  • all I get is a totally black screen. If I move the mouse the mouse pointer (white arrow) appears for a second or so. 


    If you can see a pointer it is a blank screen, not totally black. 

    That may be good news.  For example, some find that the OS is inexplicably switching to a phantom monitor and putting the lock screen, Ctrl-Alt-Delete response, etc. there, not where you can see it.

    Then what you can try is assuming what your keystrokes are generating and acting as if you could see it.   E.g. in the case of Ctrl-Alt-Delete press End and Enter to launch Task Manager.  Then you could press Alt-Space M and CursorRight.   Then drag it onto the screen you can see.

    In these cases, it may help to attach a second monitor and see if your symptom is any clearer that way.   ; )

    Good luck



    Robert Aldwinckle
    ---

    Friday, October 18, 2013 2:15 PM
  • FWIW, after a vast amount of pain, I have finally managed to restore my entire hard drive from a disk image I took of my C: drive a couple of hours ago using a free version of Macrium Reflect. So in effect I have have uninstalled Window 8.1. UTTER nightmare.

    Lessons learnt:

    1. Dont just trust that the big names will deliver quality software (e.g. Samsung and Microsoft) - always check forums for complaints and problems before installing new updates.

    2. Avoid the "bleeding edge" of technology - let other people do the beta testing for you  and never do updates too  quickly.

    3. Always plan you escape routes. Take regular archives and backups. 

     
    Friday, October 18, 2013 4:44 PM
  • I have the same problem with my Samsung NP680Z5E. I did not have any issues with Windows 8 previous to the upgrade to 8.1.

    I did the Windows update to make sure it had the latest updates, rebooted and then downloaded 8.1.

    It took a while for it to download and install, rebooted a few times, then prompted me for my password for my account, then asked me a bunch of questions regarding settings. Then rebooted to the black screen.

    To be specific, it reboots and displays a black screen. If I touch the track pad (or touch the screen) the arrow pointer displays with a animated circle. But nothing else happens and it does not respond to keyboard commands (Ctrl-Alt-Delete, Windows X, Windows -S).

    I am also unable to get into recovery or Safe Mode using Shift F* at start up, no matter how many times I have tried.

    A very poor upgrade indeed. Obviously it is a MAJOR issue with the amount of topics created on multiple boards, and from what I can find, ZERO response from Microsoft.
    Friday, October 18, 2013 5:05 PM
  • Totally best update ever, thanks to Microsoft. Cheerz!!!
    Saturday, October 19, 2013 2:40 PM

  • To be specific, it reboots and displays a black screen. If I touch the track pad (or touch the screen) the arrow pointer displays with a animated circle. But nothing else happens and it does not respond to keyboard commands (Ctrl-Alt-Delete, Windows X, Windows -S).

    Think about what would you expect it to be showing you then.  As I indicated, I think the only keyboard command which would work easily in the normally expected state (e.g. showing lock screen) would be the Second Screen dialog.  That's why I suggest trying pressing Win-P, CursorUp, Enter; to change the display, possibly even cause a refresh which would make your monitor start showing something (or at least flash to black and back to blank).  Otherwise, the only other reliable keystroke sequence that I can think of for that state is this loop:  Shift-Tab, Shift-Spacebar, <wait for signs that something might be changing before next iteration>; repeat.   The goal of that one would be to end up at the Shutdown menu and execute its Restart command while Shift- was pressed--resulting in a return to the Advanced Options boot menu.  I don't know if the Advanced Options boot menu would then show or not or if it didn't how you would know that you had arrived there.  So, after that it would be a guessing game to know if you were there what you could do there.  Etc.

    However, if "animated circle" is referring to the worm chasing its tail (e.g. while the fish is blowing bubbles) that suggests you are not even at the lock screen, so I don't know what would be good to try then.  Perhaps Shift-F10, thinking that the WinPE involved and might be willing to let you into its command mode? 

    BTW is there still a fish blowing bubbles?  I'm still on the W8.1 Preview so haven't seen the W8.1 RTM boot procedure yet.

    I am also unable to get into recovery or Safe Mode using Shift F* at start up, no matter how many times I have tried.

    I still don't know where there is anything which formally states that Shift-F8 is supposed to do anything at boot time using the W8 Boot Manager.  So I still consider it to be speculative or even wishful thinking that makes other real possibilities less likely to succeed.

    Do you have some bootable recovery media?  Then you could boot into its command mode and see what is happening with the other boot procedure.  Etc.

     

    Good luck

     



    Robert Aldwinckle
    ---

    Sunday, October 20, 2013 12:39 AM
  • I have the same problem. To repair this I must do sfc /scannow in cmd but it works a few minutes. Computer automatically log out. And again. I wonder: maybe causes this programs for changing themes or explorer.exe. Had you ever used such programs like this?
    Sunday, October 20, 2013 9:58 AM
  • I have a Samsung notebook (NP740U3E-S04UK).

    From what I have read, it is either the Samsung drivers or the AMD drivers that are at fault.

    Any suggestions on how we ever get to know what these problems are finally fixed?

    J


    Monday, October 21, 2013 12:44 PM
  • I have had the same Problem. Solution - real, not a joke:

    1. Wait 2 Minutes. Power off.

    2. Power on. Black Screen appears again. Same procedure... Power off again.

    3. Power on. Wait again 5 minutes until nothing happens on the hard disk. Power off.

    4. Power on - it's working

    Have had tested this during the Audit Mode and this Workaround is working on different PC's ;-)

    Monday, October 21, 2013 1:23 PM
  • Hello All,

    Does this issue only happen after shutdown?

    Can you please try to disable the following setting "Turn on fast startup" from:

    Control Panel\All Control Panel Items\Power Options\Choose what closing the lid does\Change settings that are currently unavailable\uncheck the box next to “turn on fast startup

    and

    Control Panel\All Control Panel Items\Power Options\Choose what the power buttons do\Change settings that are currently unavailable\uncheck the box next to “turn on fast startup

    Thanks,


    Ankito


    Monday, October 21, 2013 2:12 PM
  • Can you please try to disable the following setting "Turn on fast startup" from:

    Control Panel\All Control Panel Items\Power Options\Choose what closing the lid does\Change settings that are currently unavailable\uncheck the box next to “turn on fast startup

    and

    Control Panel\All Control Panel Items\Power Options\Choose what the power buttons do\Change settings that are currently unavailable\uncheck the box next to “turn on fast startup

    Thanks,


    Ankito



    Monday, October 21, 2013 5:39 PM
  • You can try to boot into Windows recovery environment and do repair.

    Once you are in Windows then can you please try to disable the following setting "Turn on fast startup" from:

    Control Panel\All Control Panel Items\Power Options\Choose what closing the lid does\Change settings that are currently unavailable\uncheck the box next to “turn on fast startup

    and

    Control Panel\All Control Panel Items\Power Options\Choose what the power buttons do\Change settings that are currently unavailable\uncheck the box next to “turn on fast startup

    Thanks,


    Ankit

    Monday, October 21, 2013 5:44 PM
  • I unchecked "Turn on Fast Startup."  This does not resolve the issue.  The issue occurs after logging out, restarting, or shutting down.
    Monday, October 21, 2013 7:36 PM
  • Same issue and tried the same solution about turning off fast startup. No luck with that.

    Frankly this is ridiculous. My Computer is definitely in no shape to take it to work. If I somehow get a sleep, hibernate, reboot I get black screen. The Computer is reacting though and sometimes there is some millisecond clip when the screen shows. It just seems that it cuts the power from screen and does not return it.

    HP TM2-2090eo here. It has ATI Mobility Radeon 5430.

    Wednesday, October 23, 2013 3:22 PM
  • Can you please e-mail me the screenshot @ ankito@microsoft.com and is your display drivers are up-to-date?

    Thanks,


    Ankito

    Wednesday, October 23, 2013 4:23 PM
  • Can you check to see if you have the latest video card drivers?

    Thanks,


    Ankito

    Wednesday, October 23, 2013 4:33 PM
  • I get the same error, just a black screen.  I updated my video drivers to the latest nVidia that says it supports 8.1.  


    Billy

    Wednesday, October 23, 2013 6:06 PM
  • Disable all power saving features even in bios. If already disabled change one like monitor and save, restart, you should solve the black screen, its from power saving bug.
    • Edited by colakid Wednesday, October 23, 2013 9:28 PM
    Wednesday, October 23, 2013 9:27 PM
  • Billy,

    How did you try to update the drivers? Did you try updating the drivers from Safe mode? If not please try entering Safe Mode and updating the drivers:

    1.      When you boot your PC, try hitting the F8 key. This may take you to the Startup Settings that include Safe Mode.
    2.      If hitting F8 doesn’t work, and you have media for Windows 8.1 (such as a DVD or USB), you can boot from media using the instructions here. Further instructions about Safe Mode can be found here.
    3.      If you do not have media, try restarting your computer three times. This should bring up the Windows Recovery Environment.
    4.      Once you have started in Safe Mode with Networking, check for updated drivers:
    5.      Swipe in from the right edge of the screen, tap Settings, and then tap Change PC settings.
      (If you're using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, click Settings, and then click Change PC settings.)
    6.     Tap or click Update and recovery and then tap or click Windows Update.
    7.      Tap or click View details, and tap or click Check for updates. (If you don't see View details, there aren't any optional updates available.)
    8.     Under Optional, tap or click the update that you want to install, then click Install.

      If no updated drivers are available through Windows Update, check the website of the manufacturer of your video card to see if they have updated drivers available.

    If this does not resolve your issue, please e-mail me @ ankito@microsoft.com

    Thanks,


    Ankito



    Wednesday, October 23, 2013 9:42 PM
  • Billy,

    How did you try to update the drivers? Did you try updating the drivers from Safe mode? If not please try entering Safe Mode and updating the drivers:

    1.      When you boot your PC, try hitting the F8 key. This may take you to the Startup Settings that include Safe Mode.
    2.      If hitting F8 doesn’t work, and you have media for Windows 8.1 (such as a DVD or USB), you can boot from media using the instructions here. Further instructions about Safe Mode can be found here.
    3.      If you do not have media, try restarting your computer three times. This should bring up the Windows Recovery Environment.
    4.      Once you have started in Safe Mode with Networking, check for updated drivers:
    5.      Swipe in from the right edge of the screen, tap Settings, and then tap Change PC settings.
      (If you're using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, click Settings, and then click Change PC settings.)
    6.     Tap or click Update and recovery and then tap or click Windows Update.
    7.      Tap or click View details, and tap or click Check for updates. (If you don't see View details, there aren't any optional updates available.)
    8.     Under Optional, tap or click the update that you want to install, then click Install.

      If no updated drivers are available through Windows Update, check the website of the manufacturer of your video card to see if they have updated drivers available.

    If this does not resolve your issue, please e-mail me @ ankito@microsoft.com

    Thanks,


    Ankito




    I had this and found the monitor was not waking up after update. Resetting the power options fixed it.
     I had to reboot after the change
    • Edited by colakid Wednesday, October 23, 2013 9:50 PM
    Wednesday, October 23, 2013 9:48 PM
  • I'll chip in with some additional information and see if that helps, since nobody posted a detailed flow yet.

    While I have the same problem as everyone else, I am running on a homebuilt desktop system with a Radeon HD 6850.

    In detail, the problem manifests as that the startup proceeds as normal, including loading login screen graphics to past the point where I enter my password. When the prompt changes to "Welcome", the spinning dots animation commences and nothing else happens for about a minute, after which a black screen is loaded. At this point, the mouse pointer still works but not the start button or any normal windows hotkey, except Ctrl-Alt-Delete. Bringing up a Task Manager allows me to start and run programs, but neither starting, shutting down and restarting explorer actually produces any effective result. I can't find any special process running, such as Trouble reporting or similar. IE or desktop programs run fine.

    After a few more minutes, maybe three, the desktop or start screen loads as usual, but the start screen is corrupted. Most Modern Apps only display some internal name and no icon, but a few (such as economy and store, for instance) show content in their livetiles. Attempting to start one of the internal name ones, such as mail, yields an error, while starting one with a working livetile opens a blank screen with no possibility to interact. The start screen/Modern UI app problem is persistent.

    All desktop applications run as normal.

    A few observations and failed troubleshooting attempts:

    All available updates were downloaded.

    The graphics drivers that were installed with the 8.1 update were 8.13, in other words ancient. Updating to 13.9 or the latest beta 13.11 (both supposedly working with 8.1, and worked fine in the consumer preview) did not help.

    Uninstalling the last month of programs did nothing.

    The store icon said "Win 8.1 Consumer Preview", but at the actual app page the proper Win 8.1 Pro was displayed.

    No other driver conflicts, and no reported logs (Can I log what is happening post-login somehow?).

    • Proposed as answer by Kisan Adhikari Tuesday, November 19, 2013 1:54 PM
    Thursday, October 24, 2013 8:37 AM
  • I been using msdn setup of win 8.1.  When the update of win 8.1 came available, I installed 3 updates from windows update. kb-2898742, kb-2883200, kb-2895219, I got this black screen after one of these updates. I did not get this with msdn upgrade or preview of 8.1

    http://support.microsoft.com/kb/2895219

    http://support.microsoft.com/kb/2883200

    http://support.microsoft.com/kb/2884846


    Kb-2883200 may be it

    Improvements



    This update rollup includes the following performance and reliability improvements: 
    • Push-button reset and boot experience:  Stabilizes the boot experience. Fits and finishes changes in push-button reset (PBR) and refresh. (Client and Server)
    • In-box apps:  Provides reliability and stabilization fixes for inbox apps, including Camera, Photo, and Video Viewer. Stabilizes SkyDrive integration with inbox apps. (Client)
    • Graphics and multimedia platform:   Improves graphics and multimedia reliability and performance, including stabilized visuals across power states. Improves 3D performance. Improves the handling of PlayTo. (Client)
    • File server and clustering:  Improves Enterprise Client Sync experience. Resolves reliability issues in continuous availability (CA) and backup scenarios involving failover clustering, Hyper-V, iSCSI and DedDup. (Server)
    • Hyper-V:  Provides general virtualization reliability fixes in Hyper-V, Network Virtualization, and Remote Desktop Virtualization for large deployments. (Server)

     

    • Edited by colakid Thursday, October 24, 2013 10:08 AM
    Thursday, October 24, 2013 10:00 AM
  • Gnothe details the issue well.  Windows updates and video drivers are up-to-date, and the issue persists.  Sometimes it takes up to 7 minutes before the black screen transitions to the desktop/start screen.
    • Edited by dsDoan Friday, October 25, 2013 6:19 PM
    Friday, October 25, 2013 6:18 PM
  • I had the same problem. Managed to find a temporary fix by installing the previous version of the intel 4000 graphics driver (15.31.9.64.3165). I had to boot into safe mode first ). Now I'm up and running but the intel drivers aren't perfect but working. Microsoft/Intel need to sort this out quick or there are going to get crap over this.

    Laptop Config - Samsung ATIV Book 8, Intel i7 3635QM, 16 GB Mem, 512 GB SSD, Intel 4000/ AMD Radeon HD 8800M

    Hi

    After a delay of about 7 days I finally received this email today 26-Oct-2013, from Samsung Customer Support (below).


    In short Samsung are saying that:
    1. They do not support Windows 8.1 (yet)
    2. They are blaming Microsoft for all the problems

    So, for now the wise money says be patient. What I don't yet know how how we actually find out when Samsung/MS officially declare that they have solved their collect problems.

    J



    >>>
    Thank you for contacting Samsung Customer Support. 

    I am sorry to hear of the problems you are having with trying to apply the voluntary 8.1 update direct from Microsoft. I can understand the inconveniences that software issues may cause. 

    Through doing some research online it appears that there are several bugs with the Windows 8.1 upgrade, this is not an issue with your Samsung hardware. I would suggest that reinstall 8.0 onto your hard drive, using the recovery console, until Microsoft releases the bug fixes. 

    Samsung is not supporting this operating system at present, if you have any software issues please contact Microsoft for further support. 

    If there is anything else we can help with, please let us know. 

    Our Customer Support Team love feedback! Share your thoughts on this response by completing the survey at the bottom of this page. 

    Kind regards, 

    Thomas 
    Online Support Team 
    SAMSUNG Customer Support Centre 
    >>>


    Saturday, October 26, 2013 11:27 AM
  • No other driver conflicts, and no reported logs (Can I log what is happening post-login somehow?).

    You could try using ProcMon for its Boot Logging option.  However, there is also supposedly a trace which is specific to Boot issues.  Do a search for  xperf  xbootmgr   to try to research this possibility.

     

    Good luck



    Robert Aldwinckle
    ---

    Saturday, October 26, 2013 2:35 PM
  • Here is mine CBS log, i had the same problem. Maybe u can find something interesting. https://skydrive.live.com/redir?resid=3A0A968764FBCDC5!840&authkey=!ALpgU3e0otB4DOY

    Installed new components excepting telnet server and did sfc /scannow from escalated cmd. Few minutes and 2 restarts - and bingo! Now i have my desktop and metro panel back


    Saturday, October 26, 2013 3:47 PM
  • I'm trying to update from Windows 8 to Windows 8.1I have black screen and loading icon, it's about 5 hours. This is the worst Windows Update I've ever seen since I bought MS Dos 3.1.

    It's a nightmare. I don't know what to do.

    Now I'm using Ubuntu and I didn't like Ubuntu very much. But after this update I think I'll change my opinion.I

    Saturday, October 26, 2013 11:03 PM
  • Call taskmg, then start escalated cmd and do "sfc /scannow". Wait untill end - reboot - ??? - PROFIT!
    Sunday, October 27, 2013 12:04 AM
  • I attempted sfc, but it didn't find any problems.  The issue persists.
    Sunday, October 27, 2013 1:55 AM
  • Same exact problem I am having right now, any word on how to fix this?
    Sunday, October 27, 2013 8:36 PM
  • I had the same problem. Black screen. I tryed to fix the problem using all the suggestion reading the forums, but nothing changed. It took back to Windows 8, three times. I don't think I'll upgrade again soon. I hope Microsoft will correct this terrible upgrade. It's the worst since MS-Dos 3.1.
    Monday, October 28, 2013 1:24 PM
  • I've tried a few more things, prompted by some googling.

    Updating BIOS and Audio drivers. No luck.

    Disabling fast startup. No luck.

    sfc /scannow. No luck.

    Checkdisk. Nope.

    Reboot in safe mode. Fast login. This prompted some more troubleshooting, first disabling all autorun with no success, then disabling all services causing a prompt login. Tried a few unique semi-randomly, but no luck on finding the specific one(s).

    Enabled (in msconfig, for the curious) ntbtlog, comparing the results from the safe mode login to the "normal and unusually delayed", finding that there's a few entries of:

    BOOTLOG_NOT_LOADED \SystemRoot\System32\drivers\dxgkrnl.sys

    and then one of:

    BOOTLOG_NOT_LOADED \SystemRoot\system32\drivers\WdFilter.sys

    The first is the DirectX-kernel, sounds suspicious, the second has to to with the malware scanner.

    Did some more googling on these entries, and it turns out the first is fairly commonly associated with slow startups. One mentioned something which sounds like dxgkrnl trying to boot up multiple times, which seems like what was indicated in the ntbtlog.txt.

    Enough for now, but will try to find some time stamps in the bootlog to verify the theory and do a bubble search on the services to try and find the offender.


    Note: With the services disabled and no black screen (still a bit delay at the "Welcome"), metro apps were still broken. Seems like some windows Component is broken...
    • Edited by Gnothe Tuesday, October 29, 2013 10:37 AM Had written drivers instead of services...
    Monday, October 28, 2013 7:48 PM
  • Wish I had the answer, but....  I just did a fresh install of 8.1.  All went well.  However, I've tried to add my wife (who has a Microsoft Account) as an additional user, and after everything set up I get the black screen (with Mouse pointer) mentioned here.  I can get to Task Manager, and I can switch back to my original log in (which still works fine), but the second user is presented with a black screen.

    Ronald W Lyster

    Friday, November 01, 2013 9:06 PM
  • i just upgraded win8 pro to win 8.1 but first few seconds after installation everything was working but suddenly i was signed off and since then i never saw windows 8.1 desktop or metro and i think i made a big mistake upgrading i should have gave more time to win 8.1 and then i needed to upgrade but i left in middle of no where if any1 has found the solution of log in and getting black screen please let me know. VERY DISPOINTED IN Microsoft

    • Edited by W8.1 SH8T Friday, November 01, 2013 9:28 PM
    Friday, November 01, 2013 9:27 PM
  • same here.if you got any solution please post.
    Saturday, November 02, 2013 4:12 AM
  • same thing happened.help will be much appreciated.

    Saturday, November 02, 2013 4:32 AM
  • I had this issue as well.  In my case it was my USB to SATA drive adapter  that I left plugged in to one of my USB ports without powering the drive on with the external power switch.  Once I either powered it up or unplugged it, Windows started normally for me.
    Saturday, November 02, 2013 5:56 PM
  • Same issue. Super reliable windows 8.0 Samsung 9 plus now has display problems, screen blanking and is unusable!
    Monday, November 04, 2013 9:44 AM
  • I have tried a number of further ideas, with mixed success. However, first let's report on the partial success: I found the offending service. App Readiness will, when disabled, remove the blackscreen issue and return login times to normal.

    However, the greater problem remains, which is that the ModernUI apps do not and will not work. Once having it narrowed down to Apps, I did some further snooping around and found that this is a relatively common problem since Windows 8 and there are multiple reports including some lists of remedies to try. One of these is this one: http://www.eightforums.com/tutorials/21051-apps-tiles-not-working-responding-fix-windows-8-a.htmlin which the comments also include a recent occurance where the listed actions won't help. And neither did they help for me.

    The comments here also suggest a cause: CCleaner having removed some registry entry which it shouldn't have. I have run CCleaner, so that might be true. However it tells us nothing on how to proceed, except with a refresh/reset/reinstall.

    While I don't like to give up, I am running out of ideas here, so I tried to do a refresh. That is not possible, though, since upgrading to 8.1 through the store boinks your recovery. Using a googled workaround to create a new recovery partition, I proceeded to try with a refresh. Of course, that is only available through the (unavailable) ModernUI interface, but you can also access it with Shutdown.exe /o /r.

    However, refresh was unable to refresh my computer, for unknown reasons. I am discinclined to "just reinstall", since I come from an upgraded Windows 7 and would rather not do 3 inställs for the sake of troubleshooting. Microsoft? Anyone? Ideas?

    Tuesday, November 05, 2013 11:06 PM
  • Couldn't help myself, looked at it some more. Turns out there are a lot of entries in the logviewer under apps. Different apps have a variety of error codes, which include "could not update the panel", "Could not draw the panel" and along the line of this "Activation of the app microsoft.microsoftskydrive_8wekyb3d8bbwe!Microsoft.MicrosoftSkyDrive for the Windows.Launch contract failed with error: The app didn't start."

    Searching suggested this had something to do with All_program_packages rights, or group policies (if connected to a domain), but following the knowledge base article didn't help. While the "user" didn't have appropriate rights to the user folder and subfolders, changing this didn't help (and should be quite an iffy change, apps don't need those rights).

    Most articles have users who experience this problem as domain users, though I am not. Neither should there be any group policies. I do connect using a Microsoft account (one poster suggests that filling out the entire profile makes the problem go away), and others that a local account doesn't have the issues. Indeed, a local account has different results but still can't launch apps properly (met with a blankscreen instead of an error message, still log entries). Refreshing Windows Store was suggested, but this does not work, the app cannot launch and suggests a refresh - which is still unable to do any changes.

    So something is set (or was removed) during the upgrade which affects app privileges. No clue what, and still can't reinstall in an efficient way.

    Wednesday, November 06, 2013 9:44 AM
  • Found this.  It fixed my App Store and PC Settings problem but I still get the 5 min black login window after login before Metro will load.  Also, I ran sfc /scannow multiple times before running the powershell scripts below.  sfc repaired multiple issues before it ran clear.

    Hope it helps.

    http://blogs.msdn.com/b/notime/archive/2013/10/18/fix-store-app-in-windows-8-1.aspx

    Wednesday, November 06, 2013 2:59 PM
  • As unlikely as it seems, this solution worked for me.  I can't imagine how Torsten found it, but it works.  After finally getting the display back, I checked to see if the problem recurred after shutdown, restart, hibernate and sleep.  the problem seems to be resolved.

    Many thanks Torsten!

    Regards,

    Tim Toles


    Tim in Dublin

    Wednesday, November 06, 2013 3:19 PM
  • sry ankito, but did you read a thread carefully? Or much more threads concerned to this issue? Everyone tried update drivers. But how can you update when most of users can not boot OS?

    today i tried a hint with master boor repair. Bullshit. Microsoft obviously doesnt know what to do. Its a OS matter and you should release update patch a.s.a.p otherwice apple or linux will get even more clients then this crappy spy Os like Win 8.1. Btw. Why do you stop support for such a stable and good running os like Win XP? This user-beta-tester-experience make you very hard explain why more then 35% of world population shall upgrade to win 8.

    Thursday, November 07, 2013 11:37 PM
  • Solution----

    Had the same problem. Fixed by this.

    Open File Explorer somehow by task manager. Enable the "View hidden items" option & uncheck "Hide system files" from view tab. Now go the the drive where the os is installed in my case C drive. You will see a folder named "Windows Activation Technology". Take its ownership and give all its permissions to yourself (user) . Now delete the folder. Run sfc /scannow command again. Reboot. It worked for me!

    • Proposed as answer by topeko-yolo Tuesday, November 19, 2013 6:15 AM
    Saturday, November 09, 2013 11:04 AM
  • Solution----

    Had the same problem. Fixed by this.

    Open File Explorer somehow by task manager. Enable the "View hidden items" option & uncheck "Hide system files" from view tab. Now go the the drive where the os is installed in my case C drive. You will see a folder named "Windows Activation Technology". Take its ownership and give all its permissions to yourself (user) . Now delete the folder. Run sfc /scannow command again. Reboot. It worked for me!

    Saturday, November 09, 2013 11:05 AM
  • Solution----

    Had the same problem. Fixed by this.

    Open File Explorer somehow by task manager. Enable the "View hidden items" option & uncheck "Hide system files" from view tab. Now go the the drive where the os is installed in my case C drive. You will see a folder named "Windows Activation Technology". Take its ownership and give all its permissions to yourself (user) . Now delete the folder. Run sfc /scannow command again. Reboot. It worked for me!

    This folder does not exist in the root of my C:
    Tuesday, November 12, 2013 5:20 AM
  • rolyguy7's contribution did help to some extent, following the blog steps did give me access to the control panel and the store. However, no other app than those explicitly granted privileges managed to start, and windows store cannot install apps (still some licence error). Perhaps I should add that yes, it is a valid licence, an upgrade from a valid win 7.

    At least with disabling the App Readiness service and booting to desktop as well as the blog fixes which restored the immersive control panel win 8.1 behaves like a functional OS, if gimped.

    All too quickly these errors end up with "reinstall windows and forget about it", much the same as other licence errors. If I could get and use a clean win 8.1 install or would be able to use refresh/reset that'd be an option, but...
    Wednesday, November 13, 2013 9:59 AM
  • one thing you can do is try a repair install the only way to do that though is in windows but don't fret if you get a blank screen with a cursor wait a minute then hit cntrl alt del  and you should get the task manager click file then run type E:\ or whatever your drive letter is and it will open a window you can then click setup and do a repair with no data loss good luck idk if that will help you but it could give you a chance to update before errors
    Thursday, November 14, 2013 7:32 PM
  • Also had STARTISBACK that caused the problem when going from 8.0 to 8.1. Black screen, but I could start TASK MANAGER with <CTRL> + <ALT> <DEL>. This how I did it (you prolly dont need to go into safe mode).
    (I have Swedish Windows so sry for any wrong translations, but I think you´ll get the point)

    (0). If you want SAFE MODE and cant go into boot menu(SSD) like me:
                     1. <CTRL> + <ALT> <DEL>
       2. HOLD SHIFT + click REBOOT
                     3. Choose to how you want to start windows...yada yada .. choose (safe mode) with function                             keys

    1. <CTRL> + <ALT> <DEL>
    2. Click Archive?(menu option furthes to the left) and <Start new activity>. Write <cmd.exe>
    3. Go to the windows directory. You probably start in x:\windows/system32
                 (Write <cd..> + hit enter, to go up one level)
                 or to be safe write <cd\> + hit enter. Then <CD windows> + hit enter

    4. Write <control> + hit enter
    5. Control Panel should show. Now click on "Uninstall Program" under "Programs"
    6. Find startisback in the list, <right click> and choose uninstall. 

     

     

    Friday, November 15, 2013 10:33 AM
  • I finally solved the last of my issues: that is that the metro apps could not be updated or new installed, and that the ones that were installed were broken.

    A summary of successful fixes:

    1: Disabling the App readiness service to get rid of the black screen during boot.

    2: To take Power over the Control panel and the Store, do this: http://blogs.msdn.com/b/notime/archive/2013/10/18/fix-store-app-in-windows-8-1.aspx

    3: Follow this one to be able to repair metro apps: http://www.thewindowsclub.com/error-0x80070005-updating-windows-store-apps

    4: Try to start each app from the start screen and select the repair option.

    5: Back to normal windows functionality!

    If to do an RCA, it seems that during the upgrade process the apps did not get the necessary rights. Why? No idea, but at least it works now.

    Edit: Well that was premature. It turns out that the apps are installed using different languages. As opposed to standard OS and some apps (swedish, which is the localization and primary language),  the built in and now repaired apps are in english (for instance swedish news are not available). To spice it up Maps had some east asian measurement unit (can't say which specifically)... you cannot change this anywhere but in the localization, and changing localization and/or reinstalling the apps don't work. Maybe there is a hidden localization setting somewhere.
    • Edited by Gnothe Friday, November 22, 2013 9:55 AM Didn't work after all.
    Thursday, November 21, 2013 10:58 PM
  • I had a similar problem, although I couldn't open task manager. I spent a few hours finding how to fix it. For me the problem was graphics, but not the drivers...

    If you're using the Lucid Virtu MVP software, which comes with a large number of motherboads to enable sharing between the integrated graphics and a separate card, then THIS IS THE PROBLEM. It does NOT work with Windows 8.1.
    Boot into Safe mode, uninstall Virtu MVP, and problem fixed.
    They have released a beta for 8.1 but they want you to pay for it...
    Friday, November 22, 2013 10:53 AM
  • All issues fixed, following similarly to Gnothe with a few additions. 

    1) For the blackscreen, disable App Readiness (Run msconfig-> Serivces, unbox). Now it boots quick with no blank screen.

    2) Several corrupt files were being discovered in sfc /scannow but running it several times but the addition of running DISM (type Dism /Online /Cleanup-Image /RestoreHealth into cmd.exe) and then rerunning scannow fixed all issues. 

    3) To get the apps working run wsrest.exe. This didn't work until the above scannow/DISM processes had fixed itself. This got the windows store working and all apps then worked be clicking and reinstalling each one. 

    4) To get various modern UI elements like the refresh options working again, follow the same link Gnothe gave: 

    Everything works now!

    Tuesday, November 26, 2013 8:32 PM
  • I had no issues with metro apps or corrupt files, but disabling the App Readiness service eliminated my long desktop load time (aka black screen).

    Thanks for the post!

    Thursday, November 28, 2013 3:39 AM
  • Please use local admin account to login, and see what will happen.

    Please check explorer.exe in the Task Manager. If the explorer.exe process is running, please end this process then restart this process.

    Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

    Friday, November 29, 2013 6:00 AM
  • I have followed below steps to solve my issue,

    http://www.vmwareandme.com/2013/10/step-by-step-how-to-solve-windows-81.html


    www.mytricks.in

    Friday, December 13, 2013 11:45 AM
  • After hours and hours of trying to fix the black screen problem after upgrading to Windows 8.1 I finally discovered that LucidLogix's Virtu MVP was the problem. Once I uninstalled it all was fine.

    Virtu MVP was one of the software packages that was bundled with my ASUS motherboard.

    I see that Microsoft support is now recommending that both Virtu MVP and something called "StartIsBack" be uninstalled. Good advice.

    http://lucidlogix.com/index.html
    http://www.asus.com/ROG_ROG/MAXIMUS_V_GENE/
    http://support.microsoft.com/kb/2919176

    Friday, December 27, 2013 3:26 PM
  • While the other problems seemed bearable it turned out that certain (normal) windows updates wouldn't install. Modifying so many rights seemed dodgy as well. The best answer turned out to take the slightly dodgy way around of doing a reinstall (straight to windows 8.1). Won't be a solution Microsoft can recommend, endorse, or simplify, but I wish I would've done so sooner.

    Conclusion: While Windows 8.1 is fine, the update process is all gone wrong. Take every precaution!

    Sunday, January 12, 2014 9:34 PM
  • Tremendous thanks WycombeDad, your post led me to a solution.  No task manager, and safe mode did not work either with the Samsung LCD TV attached to the Raedon 7700 series card on the DMI port.  Switching to an old Sharp 1024x768 LCD allowed safe mode to finally work.  ((Microsoft!!! Are you paying attention??  SAFE MODE DID *NOT* WORK!!))  Uninstalling Virtu MVP then fixed the problem.
    Wednesday, January 22, 2014 8:26 AM
  • We had a similar problem on our brand new Windows 8/8.1 Dell computers: after the UEFI Dell boot logo we got a black screen for about 5 minutes before we were able to log-on. The system event log listed related time-out error messages for various Windows services (not always the same ones during each reboot).

    After extensive testing and troubleshooting it turned-out that Microsoft Forefront Client Security was the culprit.  This Microsoft antivirus tool was automatically deployed through System Center Essentials 2010 and Forefront Protection Server, hence we had to disable this for Windows 8 clients, and revert to the built-in Windows Defender. I assume that  Microsoft Forefront Client Security is not (yet) supported on Windows 8/8.1.

    Peter
    Monday, January 27, 2014 1:41 PM
  • After scrolling through this whole thread and not knowing wtf a lot of it was referring to, I finally found the problem I believe... There was 1 program installed/updated on my PC prior to it having this issue. The program was called host openal and once removed my PC no longer had any issues =) good luck =)
    Sunday, March 02, 2014 6:12 AM
  • I fixed this problem like in the video >> http://www.youtube.com/watch?v=Rgje-t0OLdI

    • Edited by ghoust1101 Tuesday, March 04, 2014 7:22 AM
    Tuesday, March 04, 2014 7:20 AM
  • Just the kind of results I've grown to expect from a new ms release. End users become beta testers.

    ROFLMAO
    • Proposed as answer by Pierre01 Friday, March 07, 2014 9:07 PM
    • Unproposed as answer by Pierre01 Friday, March 07, 2014 9:08 PM
    Tuesday, March 04, 2014 10:23 AM
  • Thanks dsDoan, this worked for me!
    Wednesday, March 12, 2014 6:34 AM
  • @Torsten Jahnke, It worked! On the third time powering on, I Alt+Ctrl+Del and clicked the Task Manager, nothing happened yet> I left the laptop to eat a snack for a few minutes then I returned the Task Manager & the Windows Explorer started. Thanks!
    • Edited by w7ee Tuesday, April 15, 2014 1:14 PM
    Tuesday, April 15, 2014 7:52 AM