Having problems with your PC Desktops ?

My computer goes off suddenly.

\015 My computer has windows xp sp2. for last few days there had been messages about fan speed too low . so i tried fixing the processor fan . threafter i found power supply fan too not working properly . i fixed this problem also. but the problem persisted in other way i mean one of the fans ( processor , power supply or chipset) made lot of noise while booting and computer goes off suddenly. if i try booting number of times then after two or three tries it starts but while running for a while it suddenly goes off . i watched all the three fans while booting they all are working ( not running sluggishly) so i feel cooling must not be the problem now. i want to know where the problem lies?\015

Answers :

Replace your power supply then check
Check ur processor
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