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I use Debian 12 with Xfce4 on a notebook which I connect to different monitors, a 1440p hdmi monitor at home and an older full hd monitor at work which I connect to via an hdmi to vga cable.
I reconnected to my monitor at home and noticed that my desktop was frozen and distorted. I cannot right click and access the menu for example.
I used the backup tool timeshift to restore my system to an earlier state but that didn't help. I also renamed the ~/.config/xfce4 folder to have a fresh xfce4 configuration but that also did not help. I would like to hear your expertise on this issue.
VGA is not hot-pluggable, that may have caused the freeze*. Maybe search the logs, use journalctl. If you don't want to read journalctl's man-page, -r is reverse, other options, don't remember, I use man pages
Typically VGA is hot-pluggable. I've only done it hundreds of times. If this is a laptop with adapters it is likely a stable voltage/ground loop issue particular to the configuration.
Given the monitor at work is ostensibly "full HD", it's a given that originally at least it supported HDMI connectivity. Why not use HDMI-to-HDMI cable at work? Digital connections are more reliable, and usually produce higher quality imaging.
With your existing cabling, try logging out at work and shutting down before taking it home, and when starting up at home, connecting and powering up the external display prior to notebook power-up.
CwF wrote: ↑2024-03-01 16:05
Typically VGA is hot-pluggable. I've only done it hundreds of times. If this is a laptop with adapters it is likely a stable voltage/ground loop issue particular to the configuration.
If it works for you, I still would not recommend it to others, VGA standard don't have any hints of hot-plugging, depends off circuits and buffers.
