I just downloaded the latest version of the Ubuntu live CD, and have installed it on a desktop computer (a Fujitsu Scaleo P). Once installed it seems to work perfectly, although there are some updates recommended in the Update Manager.
My problem is that, after having installed these updates and restarted the computer, I get this message on my monitor, and no Ubuntu interface is visible:
frequency out of range - please change display mode
I do not know how to change this when I can't access an interface. Is there a command that will bypass trying to boot the GUI and let me change the display mode via a CLI? I am brand new to Ubuntu and any help on this would be much appreciated.
I usually get this problem every time i upgrade OS.What normally happens for me is after displaying out of frequency range for a while it eventually loads ubuntu without problem. it was the grub menu loaded before ubuntu that was replaced/not shown because of the out of frequency warning.For some, if ubuntu still doesn't load,by pressing enter whilst seeing out of frequency range you should get ubuntu to boot.
For me it was a simple fix .
Once in Ubuntu go to a terminal and run:
gksu gedit /etc/default/grub
A graphical text editor will open. Remove the # from in front of:
GRUB_GFXMODE=640x480
Save the file and close it. Now run:
sudo update-grub
Reboot, and the "frequency out of range" issue should be resolved.
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