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I upgraded to 14.04 and have managed to break by graphics drivers. I'm not even sure where I'm at now.

I have a Dell Studio 15 with a ATI Radeon 4500 video card. I know this is no longer supported by the latest proprietary drivers, so if I'm not mistaken I can just use the default xserver drivers (xserver-xorg-video-radeon)??

After my system upgrade I was able to login, but only when using the Recovery option from my grub menu (and just selecting the first option to continue to start up). I only had low resolutions available to me (up to 1024 instead of 1366) and everything was very slow. So I tried installing different drivers, and even tried the ubuntu-amd-catalyst-install from, but that made things worse and has destroyed X for me.

How can I recover from this, and get things running nicely again?

I've tried to reinstall xserver-xorg-video-radeon but it fails with a dependency problem (xorg-video-abi-15, which is part of xserver-xorg-core). I try to install xserver-xorg-core and it tells me "reinstallation of xserver-xorg-core is not possible, it cannot be downloaded"

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Please, do not add [SOLVED] to the title and do not add solution into the body. Instead, answer your own question and accept it once it will be allowed. – Danatela Apr 29 '14 at 7:53

The problem was solved by the OP (original poster). I'm posting it in order to keep site cleaner.

Well, I think I have fixed my problem right after pasting:

I did

sudo apt-get remove --purge xserver-xorg-*

followed by

apt-get install xserver-org

rebooted and was able to log in, even with full resolution.

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You need the 13.1 AMD driver, this link works for the 32bit system

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Legacy hardware (pre HD5000) is not supported any more, see this answer – bain May 27 '14 at 8:04

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