Hi,
First, please let me know if there is any update or software installed before the issue occurred.
You may perform
system restore to test this issue.
If the issue persists, please boot in
Safe Mode and Clean Boot
to check if the issue still exists.
Also,
I suggest going to
perform System File Checker
to scan your system for missing/corrupt files.
If the problem cannot be resolved, please go to Event Viewer to check the event log, see if any error is relevant.
·
Event Log
========================
1. Click "Start", input "eventvwr" (without quotation marks) in the Search bar and press Enter.
2. Right click on "Application" on the left frame, choose "Save Log file As"; in the pop-up window,
click to choose the Desktop icon on the left frame, input "app" in the "File name" blank, and then click “Save”.
3. Right click on "System", with the same method, save it as "sys".
4. Locate the two saved log files on the Desktop and send them to us.
You can refer to the following link to upload the information:
http://social.technet.microsoft.com/Forums/en-US/w7itproui/thread/4fc10639-02db-4665-993a-08d865088d65
Regards,
Sabrina
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