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HELP, my 290x Lightning stops working after an hour of nothing really

C

cschaar

Junior Member
My 290x stops sending signal to the monitors after a while of use. No heavy use, just watching Netflix or youtube. The computer doesn't restart. I also know that it is not falling asleep. This happened around Christmas with my first Lightning, except than it would happen instantly. I just RMAd the thing and they sent me one that worked. Anyways, WHAT DO?
 
Well, hopefully you are still under warranty. But, it wouldn't hurt to double-check your sleep settings (since it sounds like you are just watching when this occurrs). You may want to try a different cable. You may want to start running a temp monitor in the background and make sure it is not overheating.
 
That sounds like the infamous black screen problems.
Thread here and other places too:
http://www.overclock.net/t/1441349/290-290x-black-screen-poll

You may have to RMA again, but see what they say.
I have a Powercolor R9 290 that would black screen all the time unless I undervolted, underclocked, and cranked up the fan speed with MSI Afterburner. I saw in that thread where some people emailed Powercolor and received a bios update for the card that fixed the problem, so I emailed them as well. They did send a bios update and it works great now, no black screen issues at all. Maybe MSI has a bios update available too.
 
This happened to my 290x recently. I uninstalled MSI afterburner and reinstalled driver and the problem went away... For now :sneaky:
 
Check for BIOS updates for your card. I had a 290 that did this after six months of working fine. Turns out it was marginal on its BIOS-supplied core voltage and the new BIOS Sapphire sent me boosted it by +25mV getting rid of the issue.

Alternative is to use Afterburner to add +10mV and see if that fixes it for you.
 
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