[ubuntu] Radeon HD 6790

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http://ubuntuforums.org – I just installed a Radeon HD 6790. Before that, I was only using the on board card, and even before that, I had the Radeon 6770 in there. I still had the proprietary driver installed. When I started up the computer with the new card, the command lspci showed that I had a "Radeon HD 6700 Series" card. I thought that this was not sufficiently specific and that the driver was not recognising the new card properly, so I deinstalled the proprietary driver with the aim of reinstalling it after a reboot. Alas, after reboot, Ubuntu would not boot at all, not even in recovery mode. The com (Hardware)