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Hi, The output of the command "lspci -nn | grep VGA" for my hybrid graphics card is: 00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) 01:00.0 VGA compatible controller [0300]: Advanced Micro Devices [AMD] nee ATI Caicos [Radeon HD 6400M/7400M Series] [1002:6760] When I saw an extremely short battery life, I decided to try and install proprietary drivers first from the Ubuntu repos and then manually from the AMD website. However, my laptop got stuck during - I guess - the process of starting X in the latter, while the former one gave me a some sort of functioning desktop without Unity or Compiz. Then I did some research and saw some light in these pages:
I think it might be more functional if this script can also be included in the system scripts related with power management so that the power-hungry discrete graphics card is turned off whenever the computer is running on battery instead of manually running this script. I just wanted to ask this in this mailing list as this might perhaps have been done already or some other more efficient way has been found since that time. Kind regards, Sadi |
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