Hi,
What is the make and model of your computer?
From the symptom, it is likely has something to do with your graphic card. Please tell us the model. We can find and install the latest driver to check
the result.
As you mentioned the disgonstic test and a service, could you clarify what are they?
At this point, certain things you can try are to find out the root cause of the problem are given below.
1.
Have a look whether you can reproduce the problem in safe mode.
Start your computer in safe mode
http://windows.microsoft.com/en-US/windows7/Start-your-computer-in-safe-mode
If behavior doesn’t persist in safe mode, it indicates that a third party program or service is preventing you from performing the action as supposed to.
To validate or determine which service/startup item could be causing this, restart the computer and boot to desktop normally. Once done, perform clean boot.
2.
Clean Boot prevents software conflicts by preventing the startup items and non Microsoft services from loading. This way you can safely follow the process of elimination to check which application is causing this behavior.
Refer:
How to troubleshoot a problem by performing a clean boot in Windows Vista or in Windows 7
http://support.microsoft.com/kb/929135
Note: Ensure that you put your computer back to normal startup mode after completing the troubleshooting steps. Steps are available in the article given above.
Regards,
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. ”
