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Old 06-28-2005, 09:37 AM   #1
Mugatu
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Registered: Dec 2003
Location: VA
Distribution: Ubuntu
Posts: 193

Rep: Reputation: 30
xrandr not listing available resolutions correctly


i just installed Ubuntu, and then changed my resolution using xrandr, now when i reboot i get a black screen.

whenever i run xrandr -d :0.0 -q

it shows a slew of resolutions and refresh rates. the current selected resolution is 1400x1050 at a refresh rate of 85. the monitor will do 1400x1050, but only at 60Hz. when i run xrandr on a similar laptop, it shows a resolution of 1400x1050 at 60Hz. when i check xorg.conf, the horizsync and vertrefresh rates for the computers are both the same.

what does xrandr look to for available resolutions/refresh rates? it must look to something other than just xorg.conf because i have identical xorg.conf files and yet when i run xrandr -q on similar machines and look at available resolutions/refresh rates they are completely different. any ideas/suggestions?

Last edited by Mugatu; 06-28-2005 at 09:45 AM.
 
Old 06-29-2005, 09:54 AM   #2
Mugatu
Member
 
Registered: Dec 2003
Location: VA
Distribution: Ubuntu
Posts: 193

Original Poster
Rep: Reputation: 30
surprise!

apparently this issue had absolutely nothing to do with xrandr. i hate it when i spend all of my time trying to fix something that's not causing the problem.

i had to edit /boot/grub/menu.lst

and add "vga=791" at the end of my kernel parameters. so now it looks like:

Code:
kernel     /boot/vmlinuz-2.6.10-5-386 root=/dev/hda2 ro quiet splash vga=791
 
  


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