PC randomly shutting off

Apr 5, 2018 10:21PM PDT

well yes, i had this computer since a year ago, everything was okay, last week after 5 hours of gaming the computer shut off and restart without any warning, i suppouse it was heat so i open the pc and clean it, i also change the thermal paste, anyways, the computer keep shutting off after a few hours playing

generally it shut down after 5 or 6 hours playing, but it seems a bit random, i mean one day it shut off after 1 hour of using it and today it just shut off after 2 hours and i really dont know what could it be

could you people please mention some of the reasons this could be?
i mean maybe the fans are failing but they dont seem like it, they are just spinning...

Post was last edited on April 5, 2018 10:29 PM PDT

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Shutting off
Apr 5, 2018 10:58PM PDT

When you cleaned the innards did you use compressed air?

If so did you give the psu a few shots of air from both directions?

If this is a desktop have you tested with the side panel off?

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Apr 6, 2018 1:00AM PDT

i didnt use compressed air, there were too little dust to even use it really}

yeah i have tested with the side panel off, doesnt make much differencce

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Apr 6, 2018 1:15AM PDT

Get some compressed air and give the psu a few shots from both directions.

Look close at the cpu heatsink it can get clogged up with dust.

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