I was having Microsoft widows XP operating system installed on my desktop. Due to the advancement in technology I have switched myself from desktop to Sony VAIO Z Series laptop. I have also upgraded my operating system to windows 7. From last few days I am facing problem with my Sony VAIO Z Series laptop. The screen starts to flicker so I restarted the system but the problem was not resolved. I need a solution to troubleshooting this problem.
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