You can change what the Power Button does when you press it. Make it Shut down, Hibernate, Sleep or Do Nothing via Control panel.

It seems like every week we learn about a new tip to enhance the Windows 7 taskbar, and it's hard to keep them all straight. Here's the complete power user's guide to tweaking and using your ...

The meter button changes from blue to green when you are on battery power, and clicking on the meter button switches the display between actual time remaining or a percentage view.