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I just installed the proprietary driver for the Radeon HD 7790 OC following this guide, using the 3rd step(building .deb from the AMD binary) because the Additional Drivers dialog doesn't suggest any drivers for me(I think the 7790 seems to use a different driver, since it also got its own category/series on the AMD Site (Desktop Graphics -> Radeon HD -> Radeon HD 7790 PCIE). The Installation went without errors. Anyway after I rebooted, the Unity environment is missing, I can still open windows through keybindings but that's it. All the fixes for a missing Unity(like resetting through compiz...) didn't work.

fglrxinfo output:

X Error of failed request:  BadRequest (invalid request code or no such operation)
Major opcode of failed request:  155 (ATIFGLEXTENSION)
Minor opcode of failed request:  66 ()
Serial number of failed request:  13
Current serial number in output stream:  13

This is my xorg.conf as generated by aticonfig --initial:

Section "ServerLayout"
        Identifier     "aticonfig Layout"
        Screen      0  "aticonfig-Screen[0]-0" 0 0
EndSection

Section "Module"
EndSection

Section "Monitor"
        Identifier   "aticonfig-Monitor[0]-0"
        Option      "VendorName" "ATI Proprietary Driver"
        Option      "ModelName" "Generic Autodetecting Monitor"
        Option      "DPMS" "true"
EndSection

Section "Device"
        Identifier  "aticonfig-Device[0]-0"
        Driver      "fglrx"
        BusID       "PCI:1:0:0"
EndSection

Section "Screen"
        Identifier "aticonfig-Screen[0]-0"
        Device     "aticonfig-Device[0]-0"
        Monitor    "aticonfig-Monitor[0]-0"
        DefaultDepth     24
        SubSection "Display"
                Viewport   0 0
                Depth     24
        EndSubSection
EndSection

This is on Ubuntu Raring btw.

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  • When you change the volume with the keyboard or get a notification do you see a black square around the notification or is it transparent as it should be? If it is transparent resetting unity should work, try it a few times, it does not always work the first time. If there is a black box then the drivers are not loading properly, as you may have guessed. ;)
    – Vromoth
    Aug 10, 2013 at 5:27
  • Also install synapse if you haven't already, it will help in launching apps while unity isn't working. omgubuntu.co.uk/2010/11/…
    – Vromoth
    Aug 10, 2013 at 5:35
  • I don't know the keybinding for volume controls(I don't have function keys on my keyboard) Anyway as I said, I tried resetting Unity and it didn't work, I think this is rather a problem with the driver/compatibility than with misconfiguration of Unity
    – user182867
    Aug 10, 2013 at 13:14

1 Answer 1

Reset to default
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I managed to install HD7790 fglrx driver on ubuntu 13.04 AMD64 with Unity. This is no exact step by step - I am trying to remember which steps I did. I take no guaranty.

  1. Remove fglrx drivers sudo apt-get remove --purge fglrx fglrx-amdcccle fglrx-updates fglrx-amdcccle-updates xvba-va-driver
  2. Use the guide from http://wiki.cchtml.com/index.php/Ubuntu_Raring_Installation_Guide#Before_you_start (from install prerequisite to install created debs), I tried another driver to, but it work only with 13.4 http://www2.ati.com/drivers/linux/amd-catalyst-13.4-linux-x86.x86_64.zip
  3. rm /etc/X11/xorg.conf maybe you should do a backup, but I had a damaged config
  4. sudo amdconfig --initial -f
  5. sudo reboot # after startup it showed just desktop background nothing more
  6. Open a terminal by pressing Ctrl+Alt+T
  7. glxgears # no errors, more than 1400 FPS ... driver is installed and working
  8. sudo apt-get install compizconfig-settings-manager # install ccsm
  9. ccsm # run as standard usernot as root, in my case Unity plugin was disabled
  10. Enable Unity plugin and confirm requests for enabling another modules and rewrite key bindings
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