I just bought new laptop HP Pavilion g6-2303Tx . It have good configuration Intel I5, 4GB Ram, 1GB ATI graphics with OpenDOS. I preferred DOS because mostly i am use to with Linux based systems so that i can install Linux. Now when i tried to install ubuntu 12.04 on this machine, my wi-fi, Ethernet drivers not worked. I tried many things but not worked well. I downloaded Ubuntu 13.04 and installed. My wi-fi and Ethernet drivers worked fine on ubuntu 13.04. Used my system for 1-2 days and then noticed that my laptop is getting overheated. Overheating is not good for system health so i tried many solutions but not worked well. Then i found that in HP system graphics are automatically switchable so that when system need they automatically switch to external graphics. I noticed that in Ubuntu my both internal and external both graphics are default turned on. So that i finally found solution for this. I developed shell script for this issue. Shell Script for overheating issue. sudo ...