Dell Inspiron 9100 laptop - how do i check how much power i have left in the battery?

-You can check batter power by going in BIOS (power option) or take your mouse cursor at the right hand side of start menu bar where date and time are show u will see one up arrow click on that arrow you will see battery picture then take mouse cursor on that picture then u will see how much power left on your batteryIt should be up your butt and around the courner