i have laptop compaq pressario and due to suggestion of windows 7 battery warning i just a day ago bought brand new original battery.now i dont understand a thing,a little bit irronic knowing windows 7 and compaq pressario connestion with battery problem..the thing that scares me most is bios warning after battery reached 0 level..somethimes with power cable connect into laptop i get message its charging ,but latly and mostly empty and battery is not charging...i reinstaled the moment i replaced baterry windows 7 x64 ultimate,i dont know what to say when i am dying not to be angry knowing i just bought new one battery....its little difficult but can do to go to service but the money i sped is mostz expensive....any suggestion is good.thanks sevenforums frends