VG259QM 280hz not working

Talk about overclocking displays at a higher refresh rate. This includes homebrew, 165Hz, QNIX, Catleap, Overlord Tempest, SEIKI displays, certain HDTVs, and other overclockable displays.
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nsNARDIN
Posts: 2
Joined: 16 Feb 2022, 07:46

VG259QM 280hz not working

Post by nsNARDIN » 27 Mar 2022, 09:02

So I have this VG259QM, and when I first used it some months ago I had no trouble using its 280hz nor any other settings. But recently I did a clean Windows install, and so I did the same thing to have 280hz available, but this time the monitor never actually changed to 280, every time I select 280hz in its OSD, the monitor just stays ate 240hz, I tried just selecting 270hz, with just ELMB, ELMB-Sync, just Adaptive Sync, also CRU doesn't let me create any 280hz resolutions (it did let me do it before windows reinstall).
So I am running out of ideas, the last thing I would like to do is reinstall Windows again and see. My firmware is MCM105 btw. I appreciate any help.

Edit: ended up getting it to work, it was the 10-bit color preventing the 280hz, after changing to 8bit I got it working fine.
Last edited by nsNARDIN on 27 Mar 2022, 18:43, edited 1 time in total.

Eonds
Posts: 262
Joined: 29 Oct 2020, 10:34

Re: VG259QM 280hz not working

Post by Eonds » 27 Mar 2022, 12:04

nsNARDIN wrote:
27 Mar 2022, 09:02
So I have this VG259QM, and when I first used it some months ago I had no trouble using its 280hz nor any other settings. But recently I did a clean Windows install, and so I did the same thing to have 280hz available, but this time the monitor never actually changed to 280, every time I select 280hz in its OSD, the monitor just stays ate 240hz, I tried just selecting 270hz, with just ELMB, ELMB-Sync, just Adaptive Sync, also CRU doesn't let me create any 280hz resolutions (it did let me do it before windows reinstall).
So I am running out of ideas, the last thing I would like to do is reinstall Windows again and see. My firmware is MCM105 btw. I appreciate any help.
Check your nvidia control panel color settings under the resolution area & make sure you're not using HDR. Or try resetting the monitor itself from the OSD.

sp0nce
Posts: 1
Joined: 30 Jan 2023, 15:03

Re: VG259QM 280hz not working

Post by sp0nce » 30 Jan 2023, 15:06

Im having trouble getting my monitor to OC to 280Hz. On my desktop its set to 280 and can confirm it via the OSD and windows setting. But when starting a game, specfically stretched 4:3 1280x1024 CSGO, it reverts back to native 240Hz. I've used CRU to only allow for 1920x1080,1600x1024, and 1280x1024 @ 280Hz, but doesn't work? Anyone have a smiliar experience???

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