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I have Ubuntu 12.10 (12.04 and upgraded to 12.10). After upgrading I deleted old graphic drivers and instal FGLRX (or smth similar) to get graphic interface.

But after upgrade, battery consumption is high (it last about 90min, and before easily up to 4 hours) and laptop is warming up ( it feels hot under it, and area where asdfg buttons are).

Also, in system settings under graphics it's : Intel® Sandybridge Mobile x86/MMX/SSE2
Laptop is Lenovo ThinkPad E520.

Is there any way to correct this? Laptop have dual graphics (Intel and ATI), and it would be nice to switch it somehow or

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I solved it. Problem was with ATI drivers (AMD Catalyst™ 12.10 Proprietary Linux x86 Display Driver I tried). Its not compatible with xorg 1.13 which is in 12.10. So there is 3 options

1) Disable ATI Graphics (from BIOS or some other way in Linux)

2) Install ATI Legacy Drivers

3) Downgrade xorg from 1.13 to 1.12

I decided to go with option 1, because I want good look on Ubuntu (Gnome 3.6 and its perks).

But I saw that ATI has some beta drivers they are working on so I hope that driver will work.

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