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Can GPU cause system instability?

***F1ZZY***

***F1ZZY***

***F1ZZY***

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Joined
5 Jan 2004
Posts
1,130
Location
Wiltshire
I recently got one of the 3070 from the forum deals and upgraded from 1080ti and I think the 3070 has been causing strange issues. Strange because they are not normally related to GPU. Mostly file related issues and missing files. Although sometimes games just crash to desktop. Always the same games, others are fine. Occasionally blue screen on boot up - winload.exe missing.

Normally you would expect this to be RAM or HDD or maybe CPU related. However, benches run ok. Prime, cinebench memtest all ok. It seems that once loaded, things works. It's the opening and loading stuff that causes the problem.

I have tried different SSD for OS and different RAM and the problem still persisted - admittedly it's quite intermittent so difficult to troubleshoot. I was playing games last night no problem, yet it bluescreened this morning and wouldn't even boot. I must have spent 30 hours in the past few days troubleshooting - latest BIOS, New OS on different drive, different RAM.

I have had the 1080ti back in a couple of times just to see but it doesn't seem right to me that it's caused by the GPU, so have swapped it back to 3070 once things appear to be stable. Only for it to fail again later. I'm currently on the 1080ti again and cant cause any issues at all. Even running prime and 3D mark together or cinebench and superposition together is ok. Will give the 1080ti a good innings this time.

I was convinced it was a RAM or SSD issue but the faults have continued with replaced parts. Maybe it is mobo/cpu/BIOS but I dont have alternative spare parts to test that. Anyhow memtest and prime seem ok.

Rest of system is:
Ryzen 2700
B450I Auros wifi miniITX
16GB GSkill 3200
Corsair SF750

Everything is at stock and PSU volts seem fine.

Can it be GPU related?
How to RMA it when it runs and benches fine? (most of the time)
 
I have 2 fresh installs of win10 on 2 separate drives, one is m.2 and one is SATA SSD. I have switched between them many times. I was convinced it was my main m.2 for a long time but have disproved that.

The things that would break mostly would be files not opening up or installing (not much power draw at that point). Maybe the files were corrupted during a moment of instability???
Running benchmarks (even 2 at once) hasn't provoked anything to fail.

1080ti pulls about 300w so not far behind the 3070. I don't have a wall mater to check the draw.
If software monitoring is accurate, I haven't noticed any spikes in watts. but am aware the 30 series do spike.

It's SFF with not many components, total power draw less than 450W I'd say. My CPU pulls only 80W. Can the GPU spike to 500W or more?

Thanks for inputs thus far
 
I ran cinebench and superposition 8k together several times on the 1080ti. Swapped to 3070 and it black screened and disabled the keyboard and mouse lights during same tests.

3070 was sagging a bit so propped the far corner up and I’ve run those tests again ok.

can GPU sag cause these strange issues?

Edit. The 3070 is pulling 240w vs 300w 1080ti according to hwinfo64
 
The problem is that it is quite intermittent. It will run the harshest of benches fine and then not boot up windows or start a simple program.

I have been convinced it was HDD and then disproved it.
I was convinced it was RAM and then disproved it (after ordering and cancelling replacement from OCUK)

I hope the minion eraser holding up the GPU earns its keep. Fingers crossed.

I hate intermittent faults, they are the worst!!
 
Whilst PC running i gently moved the gpu pcie power cables and got black screen crash instantly. Rebooted, did same again.
Then PSU broke completely.
Replaced PSU with a spare 650w and it's up and running again.

OK, so the pcie power connectors on the 2 graphics cards are in different orientations. Retaining clip uppermost on 3070 and down on the 1080ti.
Theory is that the PSU and/or cables were dodgy and the manipulation required to plug each card in was aggravating things until it finally gave up the ghost.

Either that or the 3070 has some dodgy circuitry and its only a matter of time until this PSU also goes pop..!!!!

minion still holding in there........
 
Mine wasn't due to power consumption though - 3070 draws less than the 1080ti it replaced. PSU was an almost new 750w corsair platinum unit.

Just bad luck I guess.
 
The email confirmation when I raised the RMA did say this:-

Usually, a support representative will respond to your ticket within 3 to 4 business days, if not sooner. However, our volume has increased exponentially during COVID-19. Furthermore, during the Summer of 2021 there will be occasional delays in response time. We apologize in advance.

It will be 2 weeks on Tuesday. I did reply to the ticket about 4 days ago as a chaser - not sure if that resets the counter as a "last communication"?
 
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