Question 2nd Monitor (DisplayPort) not working.

DeathXI

Distinguished
Mar 15, 2014
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Relevant Information:
Worked normal yesterday (Primary and Secondary) - I came home and it had stopped working.
On PC Startup, the 2nd monitor starts by showing the spinning circle, flashes back and it moves to the main monitor, and 2nd monitor never lights up again.
Both monitors currently work independently. (If i unplug main monitor and startup with only 2nd monitor, it works fine.)
Both monitors are plugged in via DisplayPort.
GTX 3080.
I updated video driver yesterday AFTER they stopped working in an attempt to fix it. No good.
I tried the unplug everything, power everything off, plug in only 2nd monitor, start backup. Works fine, plug in "main" monitor - 2nd monitor shuts off again. It just says "No signal from DisplayPort"

What am I missing here? Help please?
 

Ralston18

Titan
Moderator
Update your post to include full system hardware specs and OS information.

Include PSU: make, model, wattage, age, condition?

Heavy use for gaming, video editing - even mining?

Look in Reliability History for any error codes, warnings, etc. regarding video problems or issues.

Overall, the GPU is a high power/wattage demand component. The PSU (depending on circumstances) may be starting to falter and fail.
 

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