I'm new with Ubuntu and I'm enjoying my experience with Ubuntu 11.10 on my Lenovo ideapad Y460. I'm dual booting Ubuntu with Windows 7 64 bit. It's great using Ubuntu, however I noticed that my laptop heats up rather quickly when I use Ubuntu. Does this have to do with drivers? I have Nvidia GT 425M graphics, but I don't know if this information is relevant. My fans are just not working right as they do in Windows 7. Did I miss installing something or what am I doing wrong?
The dust could be an issue but as you are saying it works fine in windows so I guess the following.
Y560 with nvidia is optimus enabled. There is no support for optimus in linux. So both GPU are on all time. I think that is heating up the laptop.
To turnoff nvidia graphics card and use it only when required install The Bumblebee, See the details below.
Never make a mistake to install nvidia drivers directly on ubuntu. It won't work and will end up with black screen.
Add the Stable Bumblebee Releases PPA and install Bumblebee using the proprietary NVIDIA driver:
Upto this step, it will turnoff nvidia card and use intel card only. If you want to use nvidia card, follow the steps below else don't
If you have 32-bit applications like Wine, and run 11.10 Oneiric or later, you will need extra libraries:
Allow yourself to use Bumblebee by adding yourself to the 'bumblebee' group. (replace
Reboot or re-login to apply the group changes
If you'd like to run a program on the nvidia card now, use the optirun program:
To test whether it is working, install mesa-utilities by executing
Read more from bumblebee wiki
Edit - Thanks to @Lekensteyn for corrections.