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Wednesday, September 4, 2013

Fix Issues in ATI Radeon Graphics - Ubuntu 13.10 and earlier

1:42 PM Posted by Deepal Jayasekara , , , No comments
If you are using radeon graphics or any other dedicated AMD graphics card with Intel Graphics in your laptop, you might have encountered a problem of overheating and lesser battary life. If you are using Ubuntu 13.04 or an earlier version, you can shut down AMD graphics card permanently and let Intel Graphics card work and solve these two problems. But if you are using Ubuntu 13.10 (on the day of this writing, latest ubuntu version is 13.10), you can install AMD Radeon drivers including Catalyst Control Center since Ubuntu 13.10 now supports ATI Hybrid Graphics.

For earlier versions before 13.10

In my case, I have a HP Pavilion G6 with AMD radeon 6470M and I also faced that situation. So I run following commands and shut down AMD graphics card. Now my overheat problem is solved and my battary life became normal.

Run followings in terminal

sudo chown -R username:username  #replace 'username' with your username
sudo -s
echo off /sys/kernel/debug/vgaswitcheroo/switch

To run this in every startup, open /etc/rc.local file,

sudo nano /etc/rc.local

Include echo off /sys/kernel/debug/vgaswitcheroo/switch in that file before exit statement.

For Ubuntu 13.10

You can install Catalyst Control Center and Drivers using following command. After installation, restart your computer.

sudo apt-get install fglrx fglrx-pxpress

After reboot, you will be able to start Catalyst Control Center (CCC) using terminal or through dash. To switch between graphics cards, you need to run CCC as root. In terminal run,

sudo amdcccle

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