I recently installed Ubuntu 12.10 on my hp dv4-5110tx laptop. It has Intel HD 400 and nvidia geforce gt 630m with optimus gpus.My laptop remain cool most of the time when i use windows 7 but when i start using ubuntu, it's temperature increases a lot. Now i am concerned about it. What is the solution for this ? Is this normal ? or do i have to install any driver?
If your system has duel graphics card and optimus enabled you need to turn off the discrete graphics card. Otherwise both are enabled and lead to high temperature.
Instruction for installing Bumblebee to turn off discrete GPU and enable only when required
For more up-to-date nvidia drivers, you need to add another PPA. As of 12.04, this is still necessary for Nvidia GT 6xxM cards. It may be optional for the GT 4xxM and GT 5xxM series on 12.04. When in doubt, just install it. The command is:
If you just want to disable nvidia card, no need to learn followings
Usage Instruction :
To run a program with nvidia card, use
To run firefox type :
Note: If you intend to run 32-bit programs like Wine and using Ubuntu 11.10 Oneiric or later, install 32-bit libraries with: