Ubuntu
xserver-xorg-video-ati package

Resolution/ATI drivers

Asked by Real smith

Alright so I just got Ubuntu today, I have a Radeon 6870. I noticed that the max resolution for Ubuntu is 1600x1200. My monitor runs at a native resolution of 1920x1080, I downloaded the recomended FGLRX driver but it appears not to be working. When I type in fglrxinfo I get nothing. I then downloaded ATI Catalyst Control Center for linux (32 bit), after installing it and restarting Ubuntu crashed. I am now in recovery mode and cant find a way to uninstall it. I dont really care about the drivers as much as getting my resolution to 1920x1080.

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Sam_ (and-sam) said : 		#1

Try failsafe mode.
or
drop to root shell.
Type:
rm /etc/X11/xorg.conf
aticonfig --initial

Reboot.

## It needs the same procedure after kernel upgrades.

http://justbloodywork.blogspot.com/2010/12/linux-from-scratch-radeon-hd-6870.html

There is also faq and wiki, maybe read this before installing something.
http://support.amd.com/us/gpudownload/linux/Pages/radeon_linux.aspx?type=2.4.1&product=2.4.1.3.42&lang=English

If it still doesn't work get modeline with 'xrandr' and 'cvt' and put in screen section of xorg.conf.
https://wiki.ubuntu.com/X/Config/Resolution

https://wiki.ubuntu.com/X/Troubleshooting/

> recomended FGLRX driver

Recommended and provided is a difference. Recommended are open source drivers.
https://help.ubuntu.com/community/BinaryDriverHowto/ATI

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