Checkmate, take a look at the description of this bug, and try some of the suggested things there.
sudo ddcprobe (attach the output)
Perhaps install the "read-edid" package, and post the output from: sudo get-edid
What is the output of: sudo get-edid | parse-edid
Checkmate, take a look at the description of this bug, and try some of the suggested things there.
sudo ddcprobe
(attach the output)
Perhaps install the "read-edid" package, and post the output from:
sudo get-edid
What is the output of:
sudo get-edid | parse-edid