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Changing VGA resolution in Ubuntu 11.04

TBSN

TBSN

Senior member
I've attached my 1680x1050 monitor via VGA to my Ubuntu laptop but it is running at 1024x768. It is listed as an "unknown monitor" and doesn't list its native resolution.

How can I set it so It will display the correct resolution?

I tried xrandr --output VGA1 --mode 1680x1050 but it says cannot find mode 1680x1050.

I'm not sure where xorg.conf is stored, or really any of the config files are on this new Ubuntu. Help?!
 
I'd look at the drivers, and check compatibility with your gfx chip. Maybe it can't display that resolution.
 
The drivers are fine. It didn't detect the display's resolutions so didn't know which resolutions it supported. I had to add a mode, which I finally figured out how to do, and now it works, until I log off that is.

This is all using Xrandr. I can either add a script to the non-existant .xprofile, create a xorg.conf or do it manually every time I want to plug in my second display.

Where does Ubuntu keep all of the preferences??? It is very frustrating. It is much easier when there is already a preference file that you can simply add to or modify.
 
I was afraid of that... I hope it won't mess with settings I don't want to change, and just change the ones I specify.


I dislike "magic" in my linux, I just want plaintext config files where they're supposed to be! 😛

Edit: thanks for the link though, that'll help me sort this out.
 
I think anything that isn't specifically listed will revert to default. Sorry I'm not more helpful with intelligent answers. I'm just a regular user, and I need Google to cover me when I have problems. I don't have much built in Linux knowledge, so everything gets taken care of one problem at a time. Unfortunately, that requires hands on experience for myself, and sometimes forum help. I'm not good at at working out these kind of things in my head. I try stuff out that /looks/ right, and after success, try to review WHY it worked.
 
I was just about to ask the same question, because I am having the exact same problem.

When I installed 11.04 a few weeks ago, the resolution was fine. Now, it's back to 1024x768 (in Windows it's 1152x864).

I cannot figure out how to get this back to 1152x864. I have the latest drivers for my card, etc.

I've run the xrandr --addmode VGA-0 1152x864 to no avail.

This is so annoying.
 
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