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I recently installed Xubuntu 16.04 LTS on my HP Pavilion. Unfortunately, after installing and restarting it immediately boots to a black screen.

Hardware specs are as follows:

  • CPU: A4 3300m

  • GPU: Radeon HD 6480G (APU)

  • RAM: 4GB

Note that I have had the same problem on multiple distributions of Ubuntu starting as far back as 14.04 and on every flavor of Ubuntu (Kubuntu, Ubuntu, even Mint).

On those previous installations I added nomodeset to my grub commands, and then installed fglrx which actually fixed the problem (despite suggestions to fix the problem saying that fglrx should be uninstalled). Now, however, fglrx is no longer supported on Ubuntu 16.04 so this method doesn't work.

My understanding is that it is a bug with the open source driver, but this seems unlikely since I've not seen any bug reports on it, and this issue has been around for at least 2 years.

Any ideas on what I can do?

Antoine Orsoni
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BWombat
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3 Answers3

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I've figured out how to fix it!

Instead of "nomodeset" in the grub options, I put "acpi_osi=Linux", and it booted normally with open-source Radeon drivers.

BWombat
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I had to remove "quiet" and "splash", and add "nomodeset". I hope this helps you.

Jason
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I recently did a fresh install of Ubuntu Gnome 16.04 LTS on a Dell 7010 with a Dell 20" P2012H LCD Monitor and had a similar problem. On booting (after the grub screen) the monitor would go black. I found that I could turn the monitor off and back on and it would function properly. I set the monitor to use the display port input instead of the auto-detect option and the problem went away.

user543838
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