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Resolution issue dell u2711 and 5700XT

 
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post #1 of 3 (permalink) Old 08-28-2019, 03:40 AM - Thread Starter
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Resolution issue dell u2711 and 5700XT

So my 780ti finally died the other day. Was running my two monitors via DVI-D cables fine. One is a Dell u2711 which is a 1440p monitor.
Bought an AMD 5700XT MSI evoke to replace it but I cant get 1440 on the monitor. Only 1900x1200 which looks fuzzy. No DVI ports on the 5700xt. So HDMI does not work so I went looking for a display port cable. Shop near me only had a DVI-D to displayport so I bought that. Still no good. Only 1900x1200 resolution. I cant seem to force a change in the AMD software either.
Any ideas *** is going on?

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post #2 of 3 (permalink) Old 08-28-2019, 03:55 AM
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You can use one DVI-D cable through the HDMI output of the graphics card with a cheap adapter. For your U2711 that can do DisplayPort, you really need to get a DisplayPort cable because DVI-D to DisplayPort adapters are not good.

Return that DVI-D to DisplayPort adapter thingy. Those kinds of adapters are not good because DVI-D and DisplayPort are internally very different. The adapters then have to do complicated work, they need actual electronics inside them, and things go wrong.

DVI-D and HDMI are related to each other. They use the same signal. This means a DVI-D from/to HDMI adapter is a simple and cheap device because it's just wiring the two plugs together. Those kinds of devices are good and usually work.
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post #3 of 3 (permalink) Old 08-31-2019, 01:34 AM
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Quote: Originally Posted by deepor View Post
DVI-D and HDMI are related to each other. They use the same signal. This means a DVI-D from/to HDMI adapter is a simple and cheap device because it's just wiring the two plugs together. Those kinds of devices are good and usually work.
That won't work either because the HDMI will be of a single-link type of connection and not dual link.

You need an active (expensive) adapter.
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