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linuxnube 12-29-2004 12:59 PM

New monitor on running system

I have two servers running Fedora core and Fedora core 3. These systems are on a KVM along with a windows box. The monitor has died and has been replaced with a LCD screen. However both systems are running with an active X session.

The LCD does not support the screen size/refresh rate and therefore I can not see anything on the monitor. However, both systems are running VNC servers and I can access these from the windows box.

I would like to change the default resolution so that the LCD monitor can be used. I would like to be able to kill the current X session either from the console (without seeing what I am doing) or from a terminal session. How can I do this? Once that X session is ended, how can I tell it I have a different monitor?


PS - these are not critical servers and I can reboot them if ncessary, but I would rather learn a little and see if it can be done without rebooting.

masand 12-29-2004 01:44 PM

hi there

u need to edit ur

from ur manual check out the horizontal and vertical frequency range and use that in xorg.conf and add all the resolutions and restart X server and choose the the higher resolution from display utilty in system settings menu

also before editing the xorg.conf ,take its backup in case u end up with nothing,so that u canreplace the default config file

if u r using gdm then
gdm-restart will start the X server


linuxnube 12-29-2004 04:30 PM

This did indeed help on the Fedora Core 3 installation. However, Fedora Core 1 does not use Xorg, but XF86.

I tried the same technique as with the FC3. I was able to see the login screen (graphical) but as soon as I logged in, I received an error indicating that my session lasted less then 10 seconds and the errors are in .xsession-errors.

I looked at the errors and found that .Xclients was trying to call a non-exentent file .Xclients-default instead of .Xclients-gateway\:1.0 so I cp the latter to the prior and it seems to work.


masand 12-29-2004 10:56 PM

good that it helped


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