[SOLVED] Unable to get >100hz on LG 38GL950G-B

[AndrePelland]

Hello,

I bought a new monitor yesterday (38GL950G-B). It's supposed to be able to display at 144hz, and 170oc. I am able to see these profiles in my windows/nvidia display settings, but anytime I go over 100hz, I get a "no signal" on my monitor.

I reloaded the windows image, updated to latest drivers, tweaked some stuff, but I am still unable to get it to display over 100hz.

I'm not able to find much online, it does not seem to be a common issue. I am here as a last resort. I briefly spoke to LG support through chat, but we dced (rebooted pc to test changes). They didn't seem to understand what was going on either. I gave them a call this morning, the rep suggested it could be the cable.

Gigabyte Nvidia Gtx 1070
Using the included displayport cable
Windows 10 Build 18363
Nvidia driver 445.75 (03/23/2020 latest)

Thanks in advanced for any replies.

 

[borris618]

very possible that the cable is bad,
you could try to flip the cable around and test,
use another port on the graphics card,
also if you have a different cable test with that.
if you have a spare computer see if it works there.

if nothing works i probably would send it back to get a working model.

 

[AndrePelland]

Thanks for the reply Boris.

you could try to flip the cable around and test,

Attempted, same results.

use another port on the graphics card,

Attempted, same results.

also if you have a different cable test with that.

I do not currently have another DP cable to test with

if you have a spare computer see if it works there.

I do not have another computer to test this on at the moment. I will be able to test with a 2080ti soon.

 

[AndrePelland]

I can see what refresh rate the monitor is set at. When I set it to 144hz in windows, the OSD shows 60hz.

Additionally, I am noticing the monitor is flickering sometimes. Anyone know what this would narrow down to?

 

[AndrePelland]

Turns out the monitor was defective. Replaced it with vendor, new display functions correctly.