heat sink

Hi, I've been using a Cooler Master 600W (forgot the specific model name) for past 3 years, and it's been showing problems ever since i got it repaired by a local guy as a result of a failed overclocking attempt (I'm not much of a techie myself; plus it was out of warranty). It makes a...

I have dell inspiron 15r with ati graphics and 4 gig ram. recently i had a weird problem. After using laptop for sometime the display of my laptop goes off but power remains on.i had to let it cool off to use it again. now since im out of warranty and i have no plans to renew it (as its...