Monitor loses signal and PC freezes/crashes

niallbrown · Sep 26, 2017

My monitor will randomly lose signal but my PC will still run however it seems to have crashed/frozen as any audio stops.
This will happen usually within an hour of turning my PC on but will often happen as soon as I turn it on and will fail to post.
Right now I'm struggling to even log onto my PC before the issue occurs.
Also the power button and restart button on my case will not work once the problem occurs and I have to turn my PC off at the plug.
My temperatures are normal.
What I've tried:
I have tried using different cables including displayport, hdmi, and DVI but the problem occurs on all.
I have tested it on my TV also and the same problem occurs.
Tried using 1 stick of RAM which did work for a few hours which made me think that was the problem. I was able to play CSGO for awhile but eventually the problem came back whilst just browsing.
I have reinstalled Windows using the "reset this pc" tool in windows settings.
I took out my gfx card and used the on-board graphics and the issue still occurred (rules out gfx card as the problem?)
Reseated my graphics card

My specs are:
AMD RADEON RX 480 8GB
AMD FX 8350
8GB G.skill Riptide RAM
Corsair CX 750
Asus M5A78L-M/USB3 motherboard
Windows 10

scout_03 · Sep 26, 2017

use this and see what it report whocrashed.

niallbrown · Sep 26, 2017

scout_03 :

Ok I installed it and and analyzed and it says "no valid crash dumps have been found on your computer"
So I'm assuming I have to wait for another crash? I'll let you know what it says after the inevitable crash

scout_03 · Sep 26, 2017

ok in the main time check for all driver update and use hwinfo to check temp and voltages even fan speed on the sensor page you could log the result .

niallbrown · Sep 26, 2017

scout_03 :

I checked the results after the crash and it still says no valid crash dumps have been found.
I went into my PC properties and changed write debugging information from automatic memory dump to complete memory dump to see if that works.

I checked hwinfo and everything seemed normal. Temps were around 30-40C.
Also all my drivers are up to date and i previously uninstalled and reinstalled my displayer drivers using ddu

Currently waiting for another crash to check whocrashed.

scout_03 · Sep 26, 2017

then activate the hwinfo software in case there could be overheathing .

niallbrown · Sep 26, 2017

scout_03 :

Still no valid crash dumps found
here is what i got on hwinfo because im not sure what im looking for but im 99% sure its not overheating
https://gyazo.com/3e1d4ec527d5b3124c8ce4b482a039fe
https://gyazo.com/35be00e512a3f7194ee6182357c1e37e
https://gyazo.com/2ecb6966d3bf96a32a8cc2e93affa985
https://gyazo.com/6cdfde260eb6a77f7014b3a8e72ac967
https://gyazo.com/9cc5f8c38ff92ae49b949e1f35079d6d
https://gyazo.com/4dcc72b83122e432288d1be0d701e8c5

scout_03 · Sep 26, 2017

did you check you core clock they are not similar from one to the others also i notice your cpu fan only run a 539 rpm to a max of 592 rpm that is low on load and in the last picture there is something about this 2 tb drive so use is maker software to test it and if you remove it from system what happens .

niallbrown · Sep 26, 2017

scout_03 :

I've taken out my hdd and am currently waiting to see if it crashes, will update if it does

niallbrown · Sep 26, 2017

PC crashed about half an hour into testing without the HDD, could it be my PSU? Not sure how to find out without trying another PSU which I don't think I can get for a few days atleast.

scout_03 · Sep 27, 2017

let see you wil try the other psu keep the hdd out until you resolve the issue then solve the hdd triangle issue .

rrexxa · Aug 8, 2018

niallbrown :

excuse me, i've a equal problem, you have solved changing the psu?

boothimself · Sep 4, 2018

I'm currently having this same issue on my system. Despite uninstalling and reinstalling drivers, swapping to a higher rated PSU, and checking Al connections, I'm still having these issues.

markberken · Oct 21, 2018

I am also having this problem. Would be sitting idle for 10 min and then crash. Fans still working but no sound and temps are fine. If i launch a game temps stay fine but i still get a crash. Reinstalling windows right now. Will post details.

My build

FX-8350
MSI 970A gaming pro carbon
Rx 580 8gb
PNY 240gb ssd
Seagate 2tb HDD

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