Hello,i recently had the problem of my PC running at dinosaur pace and also shutting down completely-no error message /warning of any kind,simply a total blackout,turns itself off.it doesnt even reboot.i took it to a repair shop where the initial theory was the RAM overheating-but now it isn't that,it was the graphics card overheating and a faulty power supply which has been replaced.sinec then, ive had the same issue twice more,more often when im running several apps simultaneously and/or playing games.i have already had my hard disk reformatted but now i am using a cracked version of XP, and it is definitely running better-though what could explain the shutdown still occurring after repair?this is really frustrating,as apparently a test was run on everything and according to the guys in the shop i do not have any further problems.what could be the cause of this now?should i have reformatted anyway?

spec.....(what i know)
Fujitsu siemens Scaleo P model, about a year old
Windows XP cracked version
512 MB DDR RAM, was 1GB (took one 512 chip out to check if defective)
intel 3.2 Ghz processor
NVIDIA GeForce 256 MB graphics card (newly installed)

thanks.any help greatly appreciated

Have you done any virus scanning? Download AVG Free and run a scan after you've updated it. Process of elimination.

Windows XP cracked version

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Do you own a legitimately purchased version of XP?

Hmm, you're right Tassie Devil. Didn't see that part