Question Triple 144Hz 1440P displays stuck at 60Hz with NVIDIA Surround

Aug 5, 2024
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I have three LG 27GL850-B monitors connected to a Nvidia 4080 Super using the display ports. The resolution is set to 2560x1440/144hz. When I turn on NVIDIA surround, the resolution goes to 7680X1440/60hz.

I'm unable to change setting from 60hz to 144hz. One of the monitor was purchased on 4/2022. The other two monitor was purchased on 5/2024. The older monitor shows 143.97Hz refresh rate. The two newer monitor show 144Hz refresh rate. I'm trying to setup the monitors for sim racing.

I've checked all of the setting in Windows 11. Display Setting, Device Manager, Advanced Display Setting, and the Nvidia Control Panel. I've tried switching cable and ports on the GPU.

System
ASRock Z790 Nova WiFi Intel LGA 1700 ATX Motherboard
Intel Core i7-14700K
G.Skill Trident Z5 RGB 32GB (2 x 16GB) DDR5-7200
NVIDIA GEFORCE RTX 4080 SUPER