Hi,
Not sure about the applet not giving any power options. You should have 3, as well as some stuff on screen resolution and devices. Possibly someone else can help you.
On the overheating issue; if you have the latest version of the kernel installed and are using an intel chip, this might be useful:
http://www.omgubuntu.co.uk/2011/11/l...hinkpad-fixed/
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