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Black screen after boot with AMD Radeon graphic card enabled

rated 0 times [ 0] [ 0] / answers: 1 / hits: 11156 / 3 Years ago, sun, may 2, 2021, 5:09:55

I have a problem with booting Kubuntu 13.10 on a lenovo G510 notebook with this specs:

-CPU: Intel core i5 4200M

-Graphic card: Intel Graphics HD 4600 + AMD Radeon HD 8570m

-S.O.: Windows 8.1/Kubuntu 13.10

When I try to boot Kubuntu with the Radeon enabled, it results in a black screen, instead if I disable it from the BIOS and use only UMA Graphics it works perfectly. So the problem is the Radeon, but I can't keep it turned off all the time, it'd be a waste! Maybe it's because I haven't installed the drivers for the Radeon, but I can't install them while the radeon is disabled.
How can I fix this?

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anatta

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answered 3 Years ago afyess · Accepted Answer

Probably you can install the drivers even without the card enabled.
If you want to go with open source drivers, the correct packages is xserver-xorg-video-radeon (but you should have it installed by default).

I had a lot of problems with my Intel + Radeon combo (it's a 7400m here, so maybe it doesn't apply to you). I put some consideration here: https://askubuntu.com/a/390050/16395

Basically, to go with the open-source drivers you just make sure you have the aforementioned package installed and make sure you do not have a /etc/X11/xorg.conf file. (If you have, backup it and try to remove it).

To go with the proprietary AMD drivers you can simply install them with

sudo apt-get install fglrx fglrx-pxpress

and then reboot.

Be prepared to having to rescue the system if they do not work by entering again in recovery mode and uninstalling them --- remember to remove the xorg.conf file in this case; uninstalling the fglrx packages will not automatically remove it, and if present the open source drivers will not work.

Useful question/answers: How do I get AMD/Intel Hybrid Graphics drivers to work?