XG2431 Horizontal Lines when not in 239.761 Hz

[Dewl]

Tried different OS (Linux) but noticed the issue using Win10. Tried different cables.

When I turn the monitor on/off the Viewsonic splash screen also has horizontal lines.

Any suggestions?

IMG_20240422_164715_539 (1).jpg (223.16 KiB) Viewed 190 times