I’ve tried the gutsy beta last week on an old toshiba s3000 laptop. The live cd worked like a charm, so I decided to install gutsy on my disk.

After the install and reboot, it was still working perfectly : very short boot time, gnome with compiz running very smooth. Then I noticed there were some updates (139 packages, not surprising for a beta version), and I did them.
Unfortunately, after reboot, I had a black screen instead of the GDM screen. Actually, GDM starts (I can hear the sound) but the screen is black, as if it was asleep. I even manage to login (in ‘blind mode’) !
By chance, I can access to the other tty’s and login in CLI mode.

I’ve tried many things. First I tried to :

sudo dpkg-reconfigure -phigh xserver-xorg

But, no chance. Then I thought about a possible problem during updates, so I tried to :

sudo apt-get dist-upgrade -f

Still no chance . So I’ve installed openssh-server package (in case, good idea), and tried to tweak my xorg.conf.
First strange thing was the detected resolution : 1280×800 when my toshiba can only have 1024×768. I tried to change for the good resolution, then restarted X : still the same, GDM sound and black screen.
I tried to change the driver from intel to i810, again the same, even worst : I couldn’t access to the other tty with this driver (that’s where ssh save me ).
I’ve also tried a custom modeline, custom option for the monitor section, driver section, but none of these worked.
At the moment I’m still searching a solution to this problem.