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Solved 240Hz stuck at 120Hz

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Soldier

Soldier

PCHF Member
Jun 16, 2020
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#1
249Hz monitor stuck at 120Hz.

Hello, so I just set up my Samsung odyssey G9 which is rated at 240Hz.

When I go into windows settings and try and change the refresh rate it only gives me the options of 60Hz and 120Hz, nothing else. I tried a different display port cable, updated drivers for my RX 580. I've changed the monitor settings themselves and the menu says it's on 240Hz, but windows says 120Hz. I've also made sure the monitor is on the latest software version which it is.What else can I do? I'm wondering is my graphics card not capable of handling the 1440p ultrawide resolution?

I'm not sure what else to do, any help is appreciated.
 
#2
So other can assist let get a speccy report.

What is the brand and model name or number of the PSU.

Download then run Speccy (free) and post the resultant url for us, details here, this will provide us with information about your computer hardware + any software that you have installed that may explain the present issue/s.

To publish a Speccy profile to the Web:

In Speccy, click File, and then click Publish Snapshot.

In the Publish Snapshot dialog box, click Yes to enable Speccy to proceed.

Speccy publishes the profile and displays a second Publish Snapshot. You can open the URL in your default browser, copy it to the clipboard, or close the dialog box.
 
#3
Hello, thanks for the reply.

Speccy link: http://speccy.piriform.com/results/1k66foOrVYymzCDKls77st7

Very good point about the PSU, I didn't think about that. I'm currently running a Cooler Master MWE 600W White 230V.
I wasn't intentionally planning on running the monitor on this PC but rather my future build (parts still in delivery process) but I thought I'd set the monitor up and test it out in the meantime.

Also, I was running a Samsung 27" CRG50 at 240Hz prior to the G9, so I knew 240Hz at 1080p was possible, but since I'm on a 5120x1440 it would make sense if its not possible for now.

Thanks again for the assistance.
 
#4
Soldier said:
. I'm currently running a Cooler Master MWE 600W White 230V.
Click to expand...

So poor that it was only rated as Tier D • Recommended only for very cheap, iGPU systems here which basically means that it should not be used anywhere near an add on GPU.

550W would be enough for the present GPU but cost wise such a PSU does not make economic sense atm, best value and appropriate quality with a ten year warranty Corsair RM650x V2

Power Profile
Active power scheme: High performance
Click to expand...

Change the Windows Power Plan to Balanced, Ultra and High Performance are a form of overclocking that is known to cause stability and overheating issues, the setting should only be used for gaming type notebooks that have a discrete GPU that needs the extra power.

Crucial Ballistix RGB 8GB DDR4-3600 Desktop Gaming Memory (White)
BL8G36C16U4WL
Click to expand...

That is the wrong RAM for your CPU, AMD state here up to 2933MHz and if you have XMP or DOCP enabled the RAM will get auto OCd past what the CPU can handle and the PC fall over.

Go into the BIOS, disable XMP and then manually set the RAM to run at 2933MHz and the voltage to 1.35V.
 
#5
Okay, I think this is a good answer and explains all I need to know.

I plan on continuing to run the monitor at 120Hz and wait until I build my new system to fully optimise everything, carrying out the recommendations Phill mentioned.

Thanks for all the support. <3
 
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