PC keeps freezing at random. Shuts down after about 10 seconds.

jetfire_

Reputable
Dec 10, 2014
6
0
4,510
Well my pc just keeps freezing at random and then shuts down. This started happening since the last couple days where it used to happen after quite some time after starting the pc. the pc would freeze up in the middle of a game and then shut down.(mind you the hdd activity led was not lit when this happens). using speccy i saw my psu voltages fluctuating and quite below what was the normal (for ex. the 3.3v was down to 2.695v, 12v (-12v) jumped from 12 to 11 at times 13v. etc.etc.).it now has reached a point it does not allow me to boot up. as soon as i start the pc it freezes on the welcome screen then after approx. 10 seconds the pc shuts down.The pc is about 4 years old with a 400w local brand power supply.
 

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