Secondary monitor intermittent sleep issues

[andresparilli]

Distribution

Linux Mint 22

Package version

Cinnamon 6.2.9

Graphics hardware in use

NVIDIA GeForce MX150

Frequency

Always

Bug description

The secondary monitor is experiencing intermittent sleep issues. It powers down for brief periods, even when the system is in use.

Steps to reproduce

Just work on the computer

Expected behavior

Screen not going off

Additional information

This is happening on an Inspiron 15 7000

Maybe this .xsession-errors help:

[4491:15:1015/101226.294468:ERROR:ffmpeg_common.cc(970)] Unsupported pixel format: -1
[4491:15:1015/101229.400110:ERROR:ffmpeg_common.cc(970)] Unsupported pixel format: -1
[4491:15:1015/101229.741895:ERROR:ffmpeg_common.cc(970)] Unsupported pixel format: -1
[4491:15:1015/101229.911226:ERROR:ffmpeg_common.cc(970)] Unsupported pixel format: -1
[4491:15:1015/101229.921878:ERROR:ffmpeg_common.cc(970)] Unsupported pixel format: -1
[4491:15:1015/101229.931966:ERROR:ffmpeg_common.cc(970)] Unsupported pixel format: -1

[leigh123linux]

You are going to need to dig deeper to find the issue as .xsession-errors error message isn't cinnamon related.
Try dmesg or /var/log/Xorg.0.log for clues.