How to clean up mess after ATI Catalyst Control Center and Gnome Screen resolution tool?

[H.S.]

NoOp wrote:
> On 02/17/2009 12:41 AM, Matthias Andersson wrote:
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>>
>> Hi!
>>
>> I have the following problem. I wanted to try hooking up the tv and
>> see if I could get it to work in linux as well as in windows but then
>> I made a huge mistake, after setting up the resolution using ATI
>> Catalyst Control Center I then out of old habit set the resolution
>> using System-Preferences-Screen Resolution.
>>
>> This rendered the screen black and now the fglrx-driver refuses to
>> work. I get the error on startup "Screens found but none have a usable
>> configuration..."
>>
>> How do I clean up this mess and get fglrx working again? I've tried
>> re-installing fglrx and related packages but to no avail. At startup
>> I'm forced to choose "Run x in low-graphics mode"
> 
> Boot using the recovery mode; select the xfix option, then continue to
> normal boot.
> 
> 

Would this work too?
1. Boot normally (but you will not get the login screen)
2. Pres CTRL+F1 to get the terminal.
3. Login using your admin account username and password.
4. Move xorg.conf out of the way using:
$> sudo cp /etc/X11/xorg.conf /etc/X11/xorg.conf_bakcup
5. Restart gdm using:
$> sudo /etc/init.d/gdm restart

One should then get the login screen back. Not sure if this method still
 works though, in case Ubuntu has done something new and doesn't deal
with xorg.conf anymore.

If thing do not work out, go back to the terminal (CTRL+F1) and move the
xorg file back:
$> sudo cp  /etc/X11/xorg.conf_bakcup /etc/X11/xorg.conf

and restart gdm as above.


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