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I have been having some screen freezing issues on my new Ubuntu 16.04 system, and have been in the troubleshooting process for this issue. I thought it was a graphics driver problem, as I am running an AMD R9 380x card which was supposed to be fully supported by the open-source AMDGPU driver preinstalled with 16.04, but after looking around online, many people seem to have issues with. I thought the answer would be to install the recently released AMDGPU-Pro driver here, following the instructions from here. However, when I reboot I am getting a black screen. Is there an easy way to revert my changes back? My machine was semi-functional with the freezing issue but now with no video at all is useless to me. How to proceed?

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5

When your system is booted and you're at the black screen issue the following keyboard command: CTRL-ALT-F2. Login with your account. Then, run the command:

amdgpu-pro-uninstall

This should uninstall the driver and hopefully get you back working again.

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  1. Power off your system.
  2. Power on the system, at the same time press on Shift key.
  3. Select advanced recovery option & enter your password

  4. Then type the command:

    mount -o remount, rw /

    This will give read write permission.

  5. Run command:

    amdgpu-pro-uninstall

    This will uninstall amdgpu-pro from your system.

  6. To shutdown system, run command: poweroff & then power on the system.

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For me fixed by entering command line with CTRL+F1 then removing the drivers 

amdgpu-pro-uninstall

and reinstall using the --px option

./amdgpu-pro-install --px
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  • 1
    Do you have a reference for the --px option? I can't find documentation on what it does. – kalenpw Dec 14 '18 at 16:54

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