Hey guys i have a notebook and the battery i know for a fact its life is over... It wont charge and it wont provide energy to my laptop... The question is should i leave it in the notebook or take it out and run with the powercable only and no battery?? Is their any hazzzard to my laptop if i leave the dead battery inside??? I think i read somewere that the batterry still acts as something...? Any knoledge out their?