Hi Calvin12,
Thank you for visiting Microsoft Answers.
Are you getting any error messages?
Check in event viewer for any particular error.
- Open Event Viewer by clicking the Start button , clicking Control Panel , clicking System and Security , clicking Administrative Tools , and then
double-clicking Event Viewer . If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
- Click an event log in the left pane.
- Double-click an event to view the details of the event.
Refer this link for information on event viewer:
http://windows.microsoft.com/en-US/windows7/What-information-appears-in-event-logs-Event-Viewer
Boot your system into safemode and check if the system works fine. If it works, then do a Clean Boot to see if this issue is related to interference
from other services / programs:
1.Click Start , type msconfig in the Start Search box, and then press ENTER. (If you are prompted for an administrator password or for a confirmation,
type the password, or click Continue .)
2.On the General tab, click Selective Startup .
3.Under Selective Startup , click to clear the Load Startup Items check box.
4.Click the Services tab, click to select the Hide All Microsoft Services check box, and then click Disable All .
5.Click OK .
6.When you are prompted, click Restart .
7.Log back into your Account.
If the problem does not return while your computer is in a clean boot mode, a background program is likely causing interference.
You may determine which background program is causing the problem through following the steps (Begin at enable half of the Services items ) in the
below linked article:
How to perform a clean boot procedure to determine whether background programs are interfering with a game or a program that you currently use
**http://support.microsoft.com/kb/331796**
To restore your Normal startup:
1.Click Start , type msconfig in the Start Search box, and then press ENTER. (If you are prompted for an administrator password or for a confirmation,
type the password, or click Continue .)
2.On the General tab, click Normal Startup .
3.When you are prompted, click Restart .
Regards,