PC randomly turning off

Yuri_4

Commendable
Jun 11, 2016
3
0
1,510
Spec:
FM2 A85MLE
A8 6600K
R7 265 Sapphire
2x 4GB
Thermaltake 500W TR2

Recently everytime I try to play something my PC turns off, sometimes I can play a little before it turns off and sometimes it turns off as soon I enter the game (Strangely if I keep on the main menu of any game it won't turn off.).
I've checked all the temperatures while playing, but I realised it turns off with random temperatures, once turned off with the temperature on 70C° and when retrying it turned off on 57C°. (The same for both GPU and CPU temps.)
So I am suspecting the PSU, I have her for quite some time (+1Year), But I want to know what you guys thinks first.

When it turns off the Anti-surge of the MOBO accuses ''an unstable power supply unit", so I disable the anti-surge to see what would happen and when it turned off I couldn't turn it on again, only after taking the power cable off and wait a bit.
 
Solution
My canned random reboot Rant
Random reboots are usually caused by the PSU, the RAM or software AND in that order of likely-hood.
PSU - If you can borrow/swap a PSU for testing. sibling/friend you can swap out the PSU and each system will be testing the other.
RAM - run the system with one stick of RAM see if stability returns if not Test all the RAM with memtest 86 for three passes or overnight. if you get no 0 errors after more than three passes the ram is good. with the random reboots I would suggest running this test after the PSU swap or after the PSU has been cleared.
Software - Drivers or other issues can cause reboots. Boot to a linux distro on a USB drive. mint linux will boot to memtest86. you can run the OS from the USB and...

R_1

Expert
Ambassador
My canned random reboot Rant
Random reboots are usually caused by the PSU, the RAM or software AND in that order of likely-hood.
PSU - If you can borrow/swap a PSU for testing. sibling/friend you can swap out the PSU and each system will be testing the other.
RAM - run the system with one stick of RAM see if stability returns if not Test all the RAM with memtest 86 for three passes or overnight. if you get no 0 errors after more than three passes the ram is good. with the random reboots I would suggest running this test after the PSU swap or after the PSU has been cleared.
Software - Drivers or other issues can cause reboots. Boot to a linux distro on a USB drive. mint linux will boot to memtest86. you can run the OS from the USB and await reboot.
end canned rant

I am leaning towards the PSU too
 
Solution