Monitor display has Disappeared

[Pedro I. Sanchez]

Tee Jay Rosene wrote:
> I use Kubuntu 7.04, and I went to "detect monitor" under "Monitor &
> Display" settings to see if I could get a better resolution. Now that
> I've rebooted, I am no longer in range and my screen is blank.
> I can't even see anything to get back to my old setting.
> Is there a "safe graphics" mode or something? How do I get my display back?
> I won't be able to use my computer again until this problem is fixed.
> I have never worked with xserver.xorg before. It looks pretty overwhelming.
> Isn't there a way to just revert back to my setup that I had before?
> Something like a safe graphics mode, so that I can make out what I'm
> doing and fix the problem graphically?
> 

You could try the following:

1. Reboot your machine.

2. Stop at the Linux (Grub) boot menu. If you don't get this menu by
default (it goes too quick) press the Escape key early as soon as you
see the first Linux message fly by.

3. From the menu select the single mode kernel boot. The line says
something like (Single mode) at the end.

4. You're now at the root command. Type the following:

# sudo dpkg-reconfigure -phigh xserver-xorg

5. Reboot.

Hopefully your monitor will be back into a working condition.

Good luck,