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I have played around with Debian for a short while, but I’m a total newbie ‘under the hood’.
I have just installed Etch, via a live CD and want to change the screen resolution to 1440x900 to fit my wide screen monitor. I have a ATI Radeon HD 2400 Pro video card.
Help from the very beginning to do this would be very much appreciated as I want to learn as much as possible. THX
You will need to edit /etc/X11/xorg.conf to include the resolution for your monitor. Since it is an LCD, I would put in only one resolution. Also, set the vertical refresh to something like 50-70 or even 55-65.
Here is a sample of how the key sections might wind up:
I tried running dpkg-reconfigure xserver-xorg leaving everything at default except adding 1440x900 option on the resolution set-up screen then saving. But back on the desk top the 1440x900 is not an option in the pull down menu.
Pixellany - sorry to be a pain but your way too fast for me, I'm still wet behind the ears on this.
How do I get into the areas to mentioned, via the root terminal on the desktop? Take it slow.
I did incidentally try editing the name of the video card to exactly what was on the box, but the screen went strange and it would allow me me to log on, so I had to re-edit xorg.conf via the terminal screen.
To edit that file, you need "root" privileges. The most straightforward method:
open a terminal
enter "su", and then your root password.
enter <editor> /etc/X11/xorg.conf (replace <editor> with your choice--I like nano, but you can also use one of the GUI editors such as gedit, kedit, etc. The purists use VIM or EMACS.)
OK - I have the terminal window open, with 'GNU nano 2.0.2' 'File: /etc/x11/xorg.conf' 'modified' on the top line. If I ctrl R the cursor moves to the bottom of the window i believe waiting for me to enter a file name. Not sure what to do next.
Apart from the top and bottom lines on the terminal window there is no file contents displayed
OK - the driver listed under "Device" is "vesa". I tried changing it to both ati and Radeon and both time xserver cashed on boot up and I could only work in terminal mode. Changed back to "vesa" and OK.
Also added the "modeline" line in the "Monitor" section as you suggested, but seemed to have no affect whatsoever on the display.
Any of the words case sensitive?
additionally, I tried changing the Subsection "Display" to just "1440x900" & Depth 24 as you suggested at the beginning. However this causes the screen to look OK but I can only get to the log in screen, enter username and password, then the screen goes black for a few seconds then the log in screen appears again. So I can't get past the log screen. Changed back to have all resolutions and all ok, except for not being able to get the 1440x900 resolution.
OK, some clarification. Driver "vesa" does not go over 800x600, it is a generic driver. Your ATI card does obviously not work with open-source ATI driver. You need to specify fglrx as video driver, this is closed-source proprietary ATI driver. You probably need to install it first.