Invalid resolution when using CTRL/ALT/F1 - how to fix (ubuntu 8.10)

Rashkae ubuntu at
Thu Nov 27 14:49:45 UTC 2008

Chris G wrote:
> I'm running xubuntu 8.10 (though I suspect the problem is common to
> all 8.10 versions).
> I can run X fairly reliably though I do have some issues when logging
> in and out presumably due to switching resolutions.
> However switching to a console using CTRL/ALT/F1 (or any of the
> others) doesn't work.  I just get an error message from my monitor
> saying the resolution is invalid.  My monitor is a Dell 2001FP capable
> of up to 1600x1200 so I suspect that the CTRL/ALT/F1 is switching to a
> totally impossible resolution.
> How can I fix this problem?  Is there any way to specify the mode and
> resolution to use for the text mode consoles?

this is probably more related to your video chipset.  I purchased a few
G31 motherboards myself because of the hyped "Linux Support Open Source
Drivers" only to discover that they are nothing but grief when you
switch resolutions,, including switching virtual terminals.. In the end,
I solved my problem with a $40 OEM nvidia card.

Here is the documentation for setting screen resolution now:

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