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I’m using ubuntu 14.04 on HP ProBook 4730s with AMD HD 6400m GPU.
I have some problems with proprietary\Opensource AMD driver in different games.
So i have to switch between drivers to play a particular game
I'm switching in System settings -> Software & Updates -> Additional Drivers But for some reason its not changing any more. It says "1 Proprietary driver in use" But it uses opensource driver

I tried to fully uninstall & install fglrx driver - no effect.
aticonfig --initial says that no supported GPU found


00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Seymour [Radeon HD 6400M/7400M Series] (rev ff)

And AMD says that is supported
if I try to install latest driver from AMD site it fails with same error

your graphics adapter is not supported by this driver

How can I finally get it work?

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