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My laptop is Acer Aspire 4745G with dual graphics Intel/AMD. Discrete card is Mobility Radeon HD 5430/5450/5470. I'm using Ubuntu 13.10 now.

One day I mentioned that my discrete AMD graphics card is not working, after some googling I found a way how to check it and command fglrxinfo gave me X Error of Bad Request. And so started my big quest for trying to make it work.

I tried so many ways from Google but no one of them really helped - I still can't use discrete card. I wouldn't even want to be able to switch them - I just want a discrete one work.

The last one I tried is installing driver from official site. Ok, so I installed it with sudo sh ./amd*.run, it processed and gave me DKMS error in the end or smth like that. After that I rebooted and got a message that system couldn't detect drivers and so on.

So my question is:

  • how do I install drivers for my graphics card now, in 2014?
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Ok, the last one was this: I installed a fresh Ubuntu 12.04 from official website and installed the latest driver from AMD website. Installation seemed to finish up ok, but after reloading I got a message about low-graphics mode. –  Scadge Jan 28 at 12:38
    
    
I followed this guide and after reboot I got "The system in running in low-graphics mode" message. –  Scadge Jan 30 at 14:10
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