Ubuntu Feisty Installation Guide
The latest fglrx driver supports Radeon 9500 and the X-series cards up to HD2900. Workstation cards are not supported.
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Run the following command to check its output to ensure the fglrx driver is installed properly:
$ fglrxinfo display: :0.0 screen: 0 OpenGL vendor string: ATI Technologies Inc. OpenGL renderer string: ATI MOBILITY RADEON 9600/9700 Series OpenGL version string: 2.0.6650 (8.40.4)
OpenGL vendor string should read ATI and not Mesa.
If you see a message like 'Xlib: extension "XFree86-DRI" missing on display ":1.0"' then you may have to add the following to /etc/X11/xorg.conf (see ):
Section "Extensions" Option "Composite" "Disable" EndSection
Additional configure with aticonfig tool
You can even more configure the driver with the aticonfig tool, more information can be found at Configuring.
- use powerplay option to switch power state for battery friendly or performance mode
- use dual head or one big desktop mode
- turn second monitor on/off on the fly
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If suspend is not working
If suspend stops working after fglrx installation, meaning display will not initialize after attempting to resume, then changing a few options has been reported to work for some hardware.
For ATI X700 and ATI X1100 on Acer Aspire 5051:
SAVE_VBE_STATE=false POST_VIDEO=true USE_DPMS=false
For ATI X1300 and the ATI X1400 on a Dell Inspiron 9400 or Lenovo Thinkpad T60, also for ATI X1600 on Asus Z96J (using install method 2):