i had a toshiba satellite it used to do that.. i brought it back and got a sony viao.. it origonally went in to replace the port in the back that chrages it since it was loose and wouldnt charge.. i sent the laptop and charger to cali to be fixed under warrenty with toshiba and best buy 3 year plan.. got it back not fixed and missing the charger so my mom threw a fit and i got a new sony viao and a load of other stuff...