Solved External graphics card not working

Amd / Fx 6300
November 14, 2020 at 02:03:55
Specs: Windows 7, 12 GB
I am using Sapphire R7 250 graphics card and it was working fine until one day when I switched on my pc, I did not get any display on my monitor. However the pc did boot to Windows.

When I removed the hdmi cable from the card and attached it to the inbuilt motherboard card, I got the display but a smaller display on the screen.

I have uninstalled and reinstalled the GFX card drives but it did not solve the issue. I also checked that the card cooling fan works properly when I switch on the pc.

What do I need to do to get this to work?


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✔ Best Answer
November 14, 2020 at 10:05:46
"I did not move the tower and the card is fixed properly"

Did you open the case to confirm that? Maybe wiggle it in its slot a little? Or better yet, remove it, clean the contact edge, then reinsert it in the slot?

"Also the display settings are proper for the onboard card"

If the display settings are correct, how do you account for "a smaller display on the screen"? Assuming the display resolution is 1920x1080, the display should be the same size regardless of whether the monitor cable is connected to the card or onboard port. Are the drivers for the onboard graphics installed?

You were also having display issues about 8 months ago.
https://www.computing.net/answers/h...

message edited by riider



#1
November 14, 2020 at 02:19:16
Try turning off Secure Boot.

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#2
November 14, 2020 at 05:35:21
Graphics cards do go bad occasionally. Did you move the tower for any reason? Reposition it or move to another room? It's possible the card shifted slightly in its slot. Open the case & make sure the card is fully seated.

"I got the display but a smaller display on the screen"

If you have to use the onboard graphics, you'll have to adjust the display settings.


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#3
November 14, 2020 at 06:27:34
I did not move the tower and the card is fixed properly. Also the display settings are proper for the onboard card.


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Related Solutions

#4
November 14, 2020 at 10:05:46
✔ Best Answer
"I did not move the tower and the card is fixed properly"

Did you open the case to confirm that? Maybe wiggle it in its slot a little? Or better yet, remove it, clean the contact edge, then reinsert it in the slot?

"Also the display settings are proper for the onboard card"

If the display settings are correct, how do you account for "a smaller display on the screen"? Assuming the display resolution is 1920x1080, the display should be the same size regardless of whether the monitor cable is connected to the card or onboard port. Are the drivers for the onboard graphics installed?

You were also having display issues about 8 months ago.
https://www.computing.net/answers/h...

message edited by riider


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#5
November 14, 2020 at 16:41:37
How to disable secure boot
https://cutt.ly/Lg9HG1U
Disabling Secure Boot
https://docs.microsoft.com/en-us/wi...
"You may need to disable Secure Boot to run some PC graphics cards"

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#6
November 17, 2020 at 01:02:49
Hey I finally got it fixed.

I removed the card & cleaned it as much as I could and fixed it properly. I uninstalled the AMD software & drivers & reinstalled. Changed the overscan settings to 0% in the scaling options.

Thanks for your help.


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