Video card black screens on low temps

Sapphire Sapphire radeon hd 7850 oc 2gb...
March 13, 2020 at 04:08:37
Specs: Windows 10, intel i7 6700k
Pretty old video card. Its a Sapphire Radeon HD 7850 OC.
The problem is that it just doesnt get detected on cold boot or if it does get detected if left idle and the temperature of the video card drops then first the screen freezes then turns black.
If not detected my pc runs in a driverless state. In device manager it shows up but shows error ( error 43).
After like 10-20 mins i usually restart my pc and it works, it boots up but i have to keep its temperature over 40-50 C°(maybe less is fine too) as soon as im in windows i launch up furmark and let it go for a minute. When playing games it has no problem whatsoever. But while doing less video card demanding tasks like browsing or watching youtube it freezes.
What could cause this problem?
Thank you for the answers in advance.

message edited by Matak


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#1
March 13, 2020 at 04:50:58
Try plugging the monitor into the other connection ( onboard ) & see if the problem persists.

message edited by Johnw


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#2
March 13, 2020 at 05:21:51
The card has 4 outputs DVI-I, DVI-D, HDMI and a DisplayPort the monitor is connected via an DVI-I to VGA converter. And i cant really change that assuming you didn't mean the integrated VGA connection.
Could it be a monitor/connection problem?
I tried replacing the cable and the converter too, but those didn't help.

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#3
March 13, 2020 at 05:29:05
"Could it be a monitor/connection problem?"
That's why a test of trying the onboard/intergrated video connection will tell us what area to look.

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#4
March 13, 2020 at 05:47:54
Ohh, no that works fine, Im 100% sure. I used this setup without videocard ( when i thought the video card died). I just tried the summer just to be sure its still not working but it worked assuming because of the hotter weather. But when the winter arrived it started malfunctioning again. Then i started to figure out it has something to do with its temperature. But yes, integrated videocard works fine. Only difference is the converter, but like i said i tried replacing that.

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#5
March 13, 2020 at 05:53:48
"Then i started to figure out it has something to do with its temperature"
Is the video card fan dust free & spinning normally?

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#6
March 13, 2020 at 05:59:20
Upload a SS ( screenshot ) of Device Manager.

Upload to http://en.directupload.net/ No account needed. Give us the link/links please.


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#7
March 13, 2020 at 06:00:33
Yes, it is. Both fans are rotating like it should and i cleaned them and the heat sink.

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#8
March 13, 2020 at 06:48:37
"I tried replacing the cable and the converter too, but those didn't help"

The smart thing to do would be to replace the monitor. It's obviously old or low end if all it has is VGA inputs. And being that VGA is analog & the others are digital, convertors can be problematic.


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#9
March 13, 2020 at 06:51:18
Heres a picture of the device manager(currently working):
https://prnt.sc/rftyon
General tab(this the error message when its not working):
https://prnt.sc/rfu0sh
Driver tab:
https://prnt.sc/rftzkz
Events:
https://prnt.sc/rfu3rc
Driver:
https://prnt.sc/rfu56s


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#10
March 13, 2020 at 08:11:44
Yes, i think thats what im going to do next. I was just interested what others think about this. Because i never seen a gpu fail if its not under load. Its always "gpu fails if used" or something like that.

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#11
March 13, 2020 at 10:57:06
If it is the DVI-I part that allows you to use the converter to VGA that is bad then a newer monitor would work correctly on the DVI-D or HDMI ports and you would not need a new graphics card. If you could borrow a monitor (newer) to test this it might be best.

You have to be a little bit crazy to keep you from going insane.


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#12
March 13, 2020 at 13:58:53
Try these Off settings.

How to Turn On or Off Fast Startup in Windows 10
http://www.tenforums.com/tutorials/...
Or,
Windows 10 mouse/blank screen/random shutdown/reboot problems.
Start > Control Panel > Power Options > Balanced > Change plan settings > Change advanced power settings > PCI Express > Link State Power Management, try the Off setting.


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#13
March 15, 2020 at 05:57:47
Hi Matak,

it sounds like a component failing it that it works when warm but not cold.
Electronics age and can start failing intermittently.

Proving is difficult. Suggest warm up with a Hair Dryer before powering on to see what happens.

You advise the Video Card is old - how old?

Good Luck - Keep us posted.


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