Use the keyboard and type or copy and paste:
1) win + x (simultaneously)
2)a
3) alt + y (simultaneously)
This will open a pop up box: administrative command prompt
Type or copy and paste these commands into administrative command prompt:
1) sfc /scannow
2) dism /online /cleanup-image /restorhealth
3) netuser horsehughtest /add
4) shutdown /r
Command #1 will check the integrity of the operating system. If there are any integrity violations it will attempt to fix them.
Command #2 will check the integrity of the operating system. If there are any integrity violations it will most often be able to fix what command 1 could not fix.
Command #3 will create a new user on your computer. The new user will have the name househughtest and will not have a password. If you prefer you can simply use the command netuser test /add
Command #4 will reboot your computer
After you reboot sign on with the new user.
Check to see if you now have a task bar.
Check to see if the windows icon works when you click it.
Check to see if you can use the control panel functions.
Let us know if you need additional troubleshooting.
