New Card = Old Display issues ?

T

Thr0tt

Active member
Hi,

So picked up an RX5600XT to replace my R9 390 which is all good however my 28" screen doesnt pickup the right resolution nor can I change it from 640x480 ? I have a spare new Samsung 24" which I plugged in and works at its correct resolution. Edit: Old screen is a Hannss G = HH281 as per sig.

Any ideas ? Tried new HDMI cable (works on new not on old), uninstalled and reinstalled the drivers, rebooted some, tried the different HDMI inputs on monitor (2 HDMI 1 VGA), the 5600 only has 1 HDMI out so that is the only port I can use.

Thanks ! As I really would like to use my old larger screen, 4" is everything :|
 
Ok after faffing around a bit more I ended up downloading a CRU utility which I could then edit and add resolutions, 1920x1600.
 
Check your monitor settings and try to manual to use HDMI instead of auto detect. You might want to try reset settings to factory settings too.
 
Its all fixed now due to my workaround as per update. Didnt factory reset monitor though didnt think of that but did on PC for GPU drivers.
 
MasterGoa said:
This was my experience with a 5700

http://www.rage3d.com/board/showthread.php?t=34050723
Click to expand...

Damn, you went through more hell than I did. I had a spare new 24" sitting around so managed to prove that its a weirdness with monitor or recognition so on that basis looked on the intarwebofthings and got me this free CRU program that adds the resolution to generic monitor profile and you can select res / refresh etc.

https://www.monitortests.com/forum/Thread-Custom-Resolution-Utility-CRU

Maybe the GPU is trying to be too clever but either way glad you and I are sorted.
 
This isn't a GPU or GPU driver issue, it's a windows issue where it's monitor profiles are not recognizing the monitor properly. You can see scores of support articles when you google it on all sorts of GPU configurations going back years (from Intel, AMD, nVidia etc)

You have 2 real options when you encounter this.

1) Custom resolutions using either the drivers or a utility like CRU to override what windows is reporting the monitor is capable of
2) Mess with windows monitor profiles (this isn't so bad when your monitor has a profile you can download).
 
You also may want to make sure you have the correct driver installed for the Monitor itself, otherwise it windows will try and use the PnP driver, which can cause similar issues.
 
NWR_Midnight said:
You also may want to make sure you have the correct driver installed for the Monitor itself, otherwise it windows will try and use the PnP driver, which can cause similar issues.
Click to expand...

Should be noted also that isn't always available directly from the manufactures website. My LG for instance, LG's doesn't have the profile/driver for it available for download. Had to go into Device Manager>Monitors>Generic PnP>RightClick>Update driver>Search automatically for updated driver software and then it grabbed a mildly more accurate profile/driver. Now instead of generic is says "LG Ultrawide (HDMI)".
 
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