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I just installed Ubuntu Hoary Hedgehog, and it's been a while since I've ran a Linux system and I've never managed to get one running with my current GeForce card.
I used the guide at www.ubuntuguide.org and followed it exactly. Now when I start my computer the nVidia splash screen comes up, but I have no idea if my card is working correctly. Also, I cannot change my resolution under System->Preferences->Screen Resolution. The only option I have is for 640x480 and that's a bit annoying.
Could anyone help me to find out if my card is working?
Being as I am on vacation right now visiting family, and none of them are smart enough to run any flavor of linux (and have forgotten my Knoppix livecd to boot --pun intended) I will be answering by memory.
Your modes are present, and should be working. Need more information from your console running behind the X server to determine why you are not getting the modes you want. If your X starts with bootup, that should be on your first console, otherwise, it will be on the console you started X from.
But, from what I see thus far, it is because of a lack of refresh rates. If you enter that information into xorg.conf and still are unable to get the higher resolutions, post the output of your X server.
By the way, try running SuperTux in addition to or instead of Tux Racer.
Regarding editing xorg.conf in a liveCD version of Ubuntu/Kubuntu:
Yes, it is possible; I do this quite often. I was having a problem getting my nvidia driver working so I changed the driver to vesa after X was already up. Here's how:
[list=1][*]I switched to console #2 (keyboard shortcut: Ctl-Alt-F2)[*]Loaded the file into the editor VI. (BTW, if you are going to become Unix/Linux friendly, learn VI, just because every distro will have it; and yes it is odd). [*]I found the "nv" driver and changed it to "vesa"[*]I switched back to my X windows server (keyboard shortcut is: Ctl-Alt-F7) [*]I restarted the X server by using the keyboard shortcut Ctl-Alt-Backspace (*NOT* Ctl-Alt-DEL!!!). [/list=1]
When the X Windows server restarts it will then re-read the xorg.conf file.
All you need to do is swap out the changes I made for the ones you want to make.
Right now I do this a lot because Ubuntu/Grub screwed up my master boot record and I can't boot any longer so I'm stuck with using the LiveCD until I master the details of Grub and can fix my MBR.