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Old 05-16-2006, 01:28 PM   #1
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Registered: Apr 2006
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Widescreen monitor problems

Hi all.
I just installed opensuse 10.1 on my desktop system that has Nvidia GeForce 6200 and Acer AL1916W monitor.
It's a 19" monitor with 1440x900 resolution.

Suse didn't find out the correct resolution itself so i tried to change it through yast.

Unfortunately it's not listed in acer monitors and the only hope left is the generic LCD list.

The only 1440x900 option is @ 70hz and that makes my monitor trembling. If i choose another monitor type the screen just doesn't show up right.

Anyone with an idea of how to overcome that problem ?

A .conf file i have to edit or something ?
Old 05-17-2006, 12:10 AM   #2
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Registered: Jan 2005
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i have the same monitor. at 1440x900 it only supports 60Hz, i beleive.. and it IS hard on the eyes. its either that or the brightness (EXTREMELY bright!)
i also have a geforce (fx5200) video card. do you have that driver installed and loaded?

edit /etc/X11/xorg.conf to change video card and monitor settings.. as well as keyboard and mouse settings.

browse through the file.. about midway down or so, under the monitor device section. there will be a line for "HorizSync" and "VertSync" (i think they're called). youll need to change these 2 values.
for H use: 55.9
for V use: 55.8
these values are for if you are only using 1440x900 resolution.

it works and looks fine for me. let me know if you need more help, or if you want me to post the relevant sections from my xorg.conf file here, i can do it tonight.
Old 05-17-2006, 06:03 AM   #3
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Allthough i managed to fix it a few hours later in a similar way thanks for the response.

I was wondering...
During the boot procedure is anything working in 1440x900 or in 1024 or something ?
You have to change a kernel parameter [vga=xxx in /boot/grub/menu.lst] to change that resolution. However i can't find anywhere the code for the 1440 resolution. All documentation online gives up to 1280


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