screen flickers after switching back from terminal to gdm

[Derek Broughton]

Bram Kuijper wrote:

> Thanks for the hint on /etc/init.d/gdm restart, but sudo /etc/init.d/gdm
> restart did gave the same result as before: a new gdm session starts up,
> but this directly starts to flicker. To get back into my graphical
> environment without flickering, I apparently have to reboot the whole
> system.

Try:

sudo vbetool post

(which resets the graphics card)
-- 
derek