Question What is wrong with my pc pls help

Sep 25, 2020
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Before 1 month i was getting blue screen at startup or after an hour+ then after some days it stopped happening,then i went vacation had pc closed from psu and when came back i got blue screen at random times again, now i formated pc and now pc just closes like power out randomly pls help
 
Sep 25, 2020
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If this is a new build I would check all your power connectors inside.

If this is an old build I would check to be sure your CPU fan and PSU fan aren't clogged with dust.

Otherwise it would be more helpful if you listed system specs.
my pc is 2year old but my cpu fan is new 1 and a half month
i3 540
4gb ram 1333hz 2+2
ssd pny120gb
hdd Sandisk320
Gt730 nvidia geforce
and 400w psu
 
Sep 25, 2020
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To continue wild guessing....I would remove the cooler, check the paste and application, check that you are plugged into the correct header, and after reassembly that the fan is, indeed running. It could be coincidence but the timing seems to point that way.
Done that i have changed 2 times thermalpaste and the fan is running normaly