Hi,

I would do something like:

        - systemctl stop lighdtm
        - mv ~/.config/xfce4{,.bak}
        - systemctl restart lightdm

Your XFCE settings are backuped for further investigation.

Best,
Frédéric

On 2020-03-02 10:46, IX4 Svs wrote:
> Today I booted my Qubes laptop (Dell Precision M4800) which has been working 
> fine for a while and noticed that after entering my password in the GUI 
> session manager to enter XFCE I’m being logged on, but there is something 
> wrong with the resolution of the display and the result is a corrupted and 
> unusable GUI. (See attachment)
> 
> I can hit CTRL-ALT-F2 to get a console session, but not sure how I should 
> proceed to troubleshoot the XFCE settings from there. Is there a way to 
> “reset” the X server settings or force it to attempt to auto-detect the 
> screen size? This is odd as it used to work fine for the built-in laptop 
> display, but has now become unusable.
> 
> I installed all dom0 updates and rebooted to ensure I have the latest 
> patches, but it didn’t help. Qubes R4.0
> 
> Thanks in advance,
> 
> Alex
> 

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