Dual GPUs - Only one sends signal to monitor

May 6, 2018
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Hi there!
I have 2 GTX 1080 and 2 monitors.
When I plug my monitors to one of the 1080 via HDMI and Display port, everything works fine. When I try to plug both monitors to the other 1080, I get no signal.
Is there some settings that I need to change to enable signal on both?
 
If you want to use the two GPUs simultaneously you should connect them via SLI cable. Then you can plug your display cables into either one and it should work. And using SLI to connect the two GPUs will definitely increase performance. If that doesnt work it is either a problem with the MOBO or PSU
 

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