On Mon, Mar 29, 2021 at 4:35 AM Evan Leibovitch via talk <[email protected]> wrote:
> Hi all. > > I made the mistake that I might want to upgrade my video card. I have a > Radeon RX 550 that is struggling to drive two 4K screens. It works, but > plenty of flickering under both Linux and Windows. > > I looked at a few sources such as Tom's Hardware to get a good idea of > what to buy, and it suggested a card in the $300-400 range. > > I wish. Canada Computers has the cards (GeForce GTX 1660 Super) listed in > this price range but all are out of stock everywhere. Amazon and NewEgg > have them listed for more than $1,100. > > These don't strike me as cards powerful enough to do coin mining. Why are > they so rare and expensive? Is it the global chip shortage or something > else? And does anyone have an idea how long we'll have to wait this out ... > or how I can tune my card to support the screens? > > Thanks! > if you post the output of xrandr, that would be helpful, along with describing the physical cables HDMI/DisplayPort etc. Does it flicker at all with only one monitor or the other? Could this be a cabling issue? What is the current refresh rate set to? Apparently some 4k monitors have problems at 60Hz You could try xrandr -r 30 to lower the refresh rate of each monitor to test this. HTH > > Evan Leibovitch, Toronto Canada > @evanleibovitch / @el56 > --- > Post to this mailing list [email protected] > Unsubscribe from this mailing list > https://gtalug.org/mailman/listinfo/talk > -- Russell
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