Question [help] how to fix graphics card detects non-real monitor?

Aug 7, 2022
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Hello.
I bought an used Sappihre HD 7850 1G OC Graphics card in good condition
but it always detects a non-real monitor
I tried it on two PCs but same problem
some game open on non-real monitor
please help for that issue
Thank you all.
 
detects a non-real monitor...
Monitor doesn't exist and ..monitor not connected
still don't understand what you mean.
what do you mean by "detects"?

you get a popup in Windows stating that a specific make & model monitor is detected?
or it is showing up in the Radeon control software?
some game open on non-real monitor
and how does a game open on a monitor that you're not using?
how would you know that is was open if you're not viewing that specific display?
 

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