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Refresh rate option reduced to 30 Hz and unable to reset

post #1 of 3
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Hello OCN. I have an Acer XR341CK 34" 3440 x 1440 monitor which was working great at 75 Hz with Freesync enabled for quite some time now. Every so often I'd notice that the refresh rate would reset to 30 Hz after my computer has been sitting idle. In the past it was simple to just go to display adapter settings and reselect 75Hz. However, this morning, the refresh rate is stuck at 30 Hz and my only option is 30 Hz, and I've reset my computer twice now (one restart, one cold boot). I have not changed anything recently on my computer, the last change was to update Radeon drivers to the most current available, which I believe was over a week ago. My computer is connected using a DP cable, which was working just fine until this morning.

If anyone has any experience with this, and could offer any insight, I'd greatly appreciate it. Unfortunately my efforts to scour the internet for information were fruitless.

And to add further insult, Radeon settings is telling me that it has detected a problem, but provides no additional information. I am able to reduce the resolution and get at least 60 Hz back, but 1920 x 1080 on a 34" wide screen is almost as hideous as 30 Hz.
Warning: Spoiler! (Click to show)





Okay, an update. The 75 Hz option at 3440 x 1440 seems to have been made available now. The only thing I changed just before was to enable Freesync in CCC (I had turned it off in Radeon settings while trying to troubleshoot the 30Hz issue). Not sure if this was the culprit, but maybe this could help others.
Edited by Vf2ss - 8/29/16 at 10:58am
The Cube
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The Cube
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CPUMotherboardGraphicsRAM
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Seagate Barracuda 1TB 7,200 RPM SATA III 6Gb/s ... SAMSUNG 840 EVO MZ-7TE250BW 250GB Internal SSD LG Internal OEM 24x DVD Rewriter CORSAIR Hydro Series H110 CW-9060014-WW Water C... 
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post #2 of 3
You might get a bit better color representation if you use the drivers for your monitor instead of the generic Pnp monitor driver.
Helped with my panels.
Ol'Faithful
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post #3 of 3
A hard reboot of your monitor would resolve it. Also turning on GPU scaling may prevent it dropping to 30hz when you are sitting idle on the desktop (Assuming if you are going to use the newest Crimson Drivers).
 
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My Girlfriend #3
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Crucial MX100 128GB SSD Toshiba 2TB 7200RPM HDD NZXT Kraken X41 Water Cooler Windows 8.1 Pro 
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NX-VUE24 Freesync 144Hz Gaming Monitor Nixeus MODA v2 Mechanical Keyboard - Brown Swit... Enermax Triathlor 550W Modular PSU NZXT S340 
MouseMouse PadAudioAudio
Nixeus REVEL PMW3360 Gaming Mouse ROCCAT SENSE Nixeus ARC 4.0 Bluetoth Speakers (Prototype) Nixeus Rival Headphones (Prototype) 
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Nixeus Vue 27" IPS LED 2560x1440 DisplayPort MA... Nixeus MODA Mechanical Keyboard - Brown Switch ... Enermax Triathlor 550W Modular PSU Cool Master Elite 130 Mini-iTX Case 
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SteelSeries DOTA 2 Rival Mouse SteelSeries QcK Nixeus Earphones ER-BKSL14 
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