I can only see desktop wallpaper

On my Comet KVM setup, mouse and keyboard works, but screen shows just my remote PC's wallpaper. I am still could not figured out what causing the issue, but any help or advise would be appreciated.

Here is remote PC spec.
HW: Intel NUC 8
OS: Windows 11 Pro

By the way, I have tested different PC (Dell Inspiron 7300) as remote machine and there was no issue. So, I assume this Comet KVM itself works very well.

Hi,

The system display settings should be using the extend displays (and the KVM on 2), please try to find a way to set it to duplicate.

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@bruce Thank you very much for your reply. I checked the Multiple Displays setting, but it is already "Extend these displays" selected on both display #1 (My main monitor) and #2 (GLKVM).
Even I re-selected "Extend these displays", nothng change...

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You should select Duplicate these displays, not Extend

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Hello @robotluo, thank you very much for your reply. I am able to see my remote computer's screen with "Duplicate these displays" option. I'd like to try various things, but next I would like to try using tailscale.

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