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Ubuntu "out of range" error on Viewsonice LCD

T

TheBull

Member
All:

I installed an XP/ubuntu dual boot. Both OS's seemed to install fine, but I get an "out of range" message when trying to boot ubuntu. I'm assuming this is the result of an incorrect refresh rate, so I tried adding different options to the xorg.conf file. I tried varying combinations of "ConnectedMonitor" "DFP", "NoDDC", and HorizSyn and VertRefresh ranges of 24-92 and 50-85. All of which, I found on the ubuntu forums. Unfortunately, nothing worked. The message occurs using both DVI-A and D-SUB inputs. I believe I get to a login prompt because I hear the "drum-beats" when the screen disappears.

Any thoughts on what could be causing this, or should try to boot ubuntu with my old 17" CRT and then attempt to configure the video?

This is my attempt to use any linux OS.

eVga 6800GT
Viewsonic VP2030b (16x12 native) using DVI
 
I have a similar problem with Ubuntu, I'm running a copy of it through a VMware session. Whenever I attempt to run the session full screen on my Dell LCD I get that error, but since it's an VMware session I can escape back into XP. I tried using a variety of different resolutions and refresh rates but they all triggered the "out of range" error. Not sure why.

I'll probably uninstall it tonight and try loading up Fedora
 
I've had that happen before. You can try adding a modeline to your xorg.conf file.
For 1600x1200 resolution at 60Hz you could try the following:

Modeline "1600x1200" 160.96 1600 1704 1880 2160 1200 1201 1204 1242

If you want to add other modelines you can use the command line program xmode.
example:
xmode -x 1280 -y 1024 -r 60

where x is Horizontal and y is vertical resolution and r is refresh rate.
I've found the r value has to be adjusted up 1 or 2 to get the exact refresh rate.

Also check to make sure that in xorg under the section "screen" for your default color depth you have an entry for your resolution.

Hope this helps.


unmerited
 
Thanks all. Last night, I manually ran dpkg-reconfigure xserver-xorg, and then loaded the lastest nvida drivres via the installer tool (apt-get ??). It seems to work now. The screen is a bit off center, but if I auto-adjust it, it skews the windows appearance (and vice versa). I'll fix it sooner or later.
 
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