I have lenovo G50-80 laptop.But it starts heating up ( Specially top right of touch pad but not the touch pad itself ) when I using Ubuntu.I had this problem in ubuntu 14.04 too.
I test many answers of same questions in this site but they don't work at all.
(I run windows 8.1 in this laptop without any problem. )
Ubuntu – Overheating in ubuntu 16.04 in Lenovo G50-80
16.04lenovooverheating
Best Answer
Is the fan working?
Try installing tlp:
sudo apt update && sudo apt install tlp tlp-rdw
If you have some problem, here is the site.