系统启动进入Grub后,选择Fedora Core (2.6.18.……),按e键进入子菜单,然后选择/boot/vmlinuz-2.6.18-1…… ,按“e”进行编辑,将最后的"rhgb"改为 "single"然后按b键启动。进入后有个sh-3.1#的提示符,在其后输入nano /etc/X11/xorg.conf就可以编辑这个文件
修改"Screen"段为如下内容,保存重启即可。
Section "Screen"
Identifier "Screen0"
Device "Videocard0"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 16
Modes "800x600" "640x480"
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 24
Modes "800x600" "640x480"
EndSubSection
EndSection