Computer crashing under stress

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Coolnave

Commendable
Dec 3, 2016
10
0
1,510
Hello,
I have an issue where my pc will freeze from time to time when under load, anywhere from once a day, to three times in an hour.
I have been looking through the problem with a friend, we updated all the drivers, cleaned everything, I even put some new thermal paste on, but the issue persists.

I know finding a solution is dificult, but what I want to know is what piece is likely to be the culprit as I was looking to upgrade some pieces soon.

System:
CPU: AMD A8-6600K
GPU: EVGA GTX 750 ti
RAM: Hyper x Fury (2 x 4gb)
Motherboard: Asus A88XM - PLUS
PSU: Cooler Master 500 W
OS: Windows 7
 
Solution
10tacle
When I have problems (crashes, blue screens), I troubleshoot the hardware after checking the basics of software (antivirus, Windows corrupt files, etc.). The two hardware things I look at first are the PSU and the memory. I will check my PSU's +12v, +5, and +3.3v readings between minimum, average, and maximum and make sure none are outside of the +/- 5% ATX spec (using the free hardware monitoring program HWinINFO64). Especially the +12V since that powers both the CPU and GPU. So for example the range of the +12V should be between 11.4v and 12.6v. Anything outside of that range means a failing power supply.

Next I'd look at the memory. I'd take a stick out and run on one module at a time, swapping them out in DIMM1 each time. If the...
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Coolnave

Commendable
Dec 3, 2016
10
0
1,510


The pc freezes for a few seconds, goes black, shows bios and then boots up like normal.
No BOSD or aknowledgement of the crash
 
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10tacle

10tacle

Splendid
Dec 6, 2008
4,941
116
29,140
When I have problems (crashes, blue screens), I troubleshoot the hardware after checking the basics of software (antivirus, Windows corrupt files, etc.). The two hardware things I look at first are the PSU and the memory. I will check my PSU's +12v, +5, and +3.3v readings between minimum, average, and maximum and make sure none are outside of the +/- 5% ATX spec (using the free hardware monitoring program HWinINFO64). Especially the +12V since that powers both the CPU and GPU. So for example the range of the +12V should be between 11.4v and 12.6v. Anything outside of that range means a failing power supply.

Next I'd look at the memory. I'd take a stick out and run on one module at a time, swapping them out in DIMM1 each time. If the PC still crashes in either case, I'd run MEMTEST. If both modules pass MEMTEST, then I'd start looking at the motherboard. I checked the reviews of your board on NewEgg and a whopping 30% of users gave it ones star for either failure or poor support compared to 34% not having any issues. Unfortunately it's hard to pinpoint if the motherboard is actually failing without knowing exactly what you are looking for and using a micrometer on individual components of the board (capacitors, etc.).

Then I'd look at the video card and drivers and wipe them out and download the latest as well as make sure its temps are fine as well under load.
 
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Solution
g-unit1111

g-unit1111

Titan
Moderator
Jul 27, 2011
42,549
824
104,940


I'd point to the power supply as being the culprit before anything else. It sounds like that PSU you have is failing to produce the amperage required by the GPU and the CPU. I'd look at replacing with something better first before trying anything else.
 
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