Maggie wrote: ------------------------------------------------ I've just checked my partner's setup which is slightly different to mine although both our monitors sit to the left of our laptops. xorg.conf: Section "Device" Identifier "Configured Video Device" EndSection Section "Monitor" Identifier "Configured Monitor" EndSection Section "Screen" Identifier "Default Screen" Device "Configured Video Device" Monitor "Configured Monitor" DefaultDepth 24 SubSection "Display" Depth 24 Modes "1024x768" Virtual 2048 768 EndSubSection and $ xrandr --output LVDS --mode 1024x768 --pos 1024x0 --output VGA-0 --mode 1024x768 --pos 0x0 The "-pos 0x0" might be relevant as I notice your xrandr -q shows (possibly?) that your monitors are offset at 306mm x 230mm. Maggie --------------------------------- Hi, I tried that xrandr command. No difference. I personally think that it has something to do with the gdm configuration. The external monitor works in textual mode until gdm is started. - hv |