PC won't boot consistently with graphics cards installed

Hank_Marvin

Hank_Marvin

Hank_Marvin

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Joined
12 Sep 2005
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Norwich, England
Hi people,

Just after a sanity check...

System is a
Asus p8z77-v
I5 3570k
16gb corsair vengeance ddr3
Amd 7850 / amd 5450
Samsung ssd and a hd

Pc fails to boot to windows 10 1909 consistently, normally after windows logo and a few circle spins i just get a black screen which keeps monitor active. And only way to really get it running is if start up recovery has automatically ran, which restores to a previous point.

When actually inside windows running off the 7850 it will then normally lock up, cursor still moves for a bit but can't get to task mgr etc then screen will go blank and system has to be restarted.

Tried two screens and two graphics cards, both pcie slots

If I use the test 5450 I get the windows logo and then it freezes after a few circle spins, logos remain static on screen.

Pc always displays bios fine and any USB bootable media and it was fine when I reinstalled win 10 on the ssd.

Annoyingly nothing useful gets logged in event viewer, no graphics driver faults etc. Memtest ran fine, no errors. I've reseated all ram, all power cables, sata cables.


If I just run onboard graphics the system runs fine, boots fine every time.

I'm thinking it must be the motherboard/pcie, thoughts?


Thanks
 
It could be a PSU issue, as graphics card using more power. Do both cards use external power?

However it could also be a driver issue. Are both your graphics cards from the same driver family?

Have you tried a clean install of graphics drivers?
 
Try waiting 20-30 seconds after the screen blanks. A few folks seem to be having similar issues at the moment, myself included. Possibly AMD driver related.
Only been happening since last driver update, and seems to be affecting 5700 and Vega cards primarily.

Mine does exactly what you describe- but if you wait, the driver resets and the screen fires back up again. Possibly a similar thing for you?
 
Flash latest bios if no better reinstall windows allow windows to fully update and do several reboots (to prove its OK) then install latest amd drivers..
 
The 7850 uses 6pin but the little media card requires no extra.

I just disconnected the HD and dvd and it booted fine with gcard installed, then plugged both back in and moved the sata power on the modular psu and so far behaving normally.

Driver wise I downloaded latest from amd for the 7850 on a fresh w10 install and never got as far as windows with the media card connected to try, I'll test with that card now as a test.

It didnt ever seem to recover however long I waited, and I put teamviewer on it and it never came online so don't think windows was even loading in the background.
 
Hank_Marvin said:
The 7850 uses 6pin but the little media card requires no extra.

I just disconnected the HD and dvd and it booted fine with gcard installed, then plugged both back in and moved the sata power on the modular psu and so far behaving normally.
Click to expand...

That tells me it could be something power related.

I would put the SATA power back on the original PSU connection, and see if the computer has the issue again.

What PSU is it btw?
 
It's a corsair ax760.

If I change the cable back and it fails again I'll put it back where it works, maybe it's slowly on the way out...?
 
Sounds like a similar issue I had with a pair of 280x in crossfire. In the end I found the fix to be to disable ULPS, I did this in msi afterburner but there may be other options.
 
It's actually my little brothers machine. He'll be pleased if it carries on for now. Ran plenty of stress testing, loads of restarts, all updates, programs installed etc and I wasn't able to do that on the first Windows reinstall. Back with him now and still good.

He's after a new graphics card but might tell him to wait a little bit to see how it carries on.
 
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