I had 12.04 amd64 installed not too long ago, worked fine on this laptop.
At a remote location i stuffed something up and only had Linux Mint with
me, so i installed Linux Mint and used it for a while.
Now at another remote location i decided to install 12.04.1 amd64 fresh
keeping my /home unformatted. 3.2.0-31-generic
I find 12.04.1 very sluggish and totem, vlc, smplayer etc show 75C as
per sensors & totem eventually causes my CPU temp to jump to 100C as do
the others.
This is with a Nautilus, browsers & Thunderbird running: