07-24-2012 11:38 PM
A few weeks ago I started having a few problems:
-Computer lags for minutes at a time regardless of activity
-Speakers occasionally make deep, loud buzzing sound
-Computer has trouble playing games it used have no trouble with
-Computer has trouble playing games well within the recommended system parameters
-Computer occasionally crashes, displaying a blue background with white text, automatically restarting itself
07-30-2012 07:54 AM
Which L740 do you have? The model number should be on a label on the bottom.
Are you using any anti-virus?
Try using System Restore to restore a previous restore point from before this became an issue.
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