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Fedora 18 monitor out of range

asked 2013-01-30 22:24:23 -0500

ugo12 gravatar image

updated 2013-01-30 22:25:32 -0500


I have installed fedora 18 on my PC, and in my first logging everything seems good.

But I cannot adjust refresh rate of monitor, it reported monitor is unknown and the refresh rate is always 0Hz. I found in Xorg.0.log.old that Xorg failed to load SiS driver module. So I run "yum install xorg-x11-drivers" and reboot.

At the next boot, grub and plymouth worked well but GDM failed to start. Screen refresh again and again, finally it said input out of range. And "Ctrl+Alt+F1~F9" didn't work. I have to boot in single mode and remove /usr/lib/xorg/modules/drivers/ to start X.

The fedora hasn't the file /etc/X11/xorg.conf. Is there anything I can do?

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answered 2013-01-31 09:44:27 -0500

ugo12 gravatar image

updated 2013-01-31 09:52:12 -0500


I came up a temporary solution. I use an Debian live USB to boot my computer, it works well with my monitor. I run

sudo Xorg :1 -configure

to get an in /root directory. Then I boot into fedora and run the same command to get another configure file. Copy it to /etc/X11/xorg.conf .

I use monitor, device and screen sections of Debian's to replace that in /etc/X11/xorg.conf.

Then delete "#" before line

#Option     "Vesa"                       # [<bool>]

in device section.

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Asked: 2013-01-30 22:24:23 -0500

Seen: 2,278 times

Last updated: Jan 31 '13