Dead battery Tags: Battery Presario Compaq Laptops Last response: December 21, 2010 4:24 PM in Laptops & Notebooks Share myresk December 21, 2010 1:39:42 PM Hello, I have an older Compaq Presario 900. The new battery didn't last a year so i just used it plugged in to the wall. Now i cannot get it to turn on when plugged in. Does the battery have anything to do with turning it on with AC? More about : dead battery Anonymous a b D Laptop December 21, 2010 4:24:26 PM Every laptop I have used worked on mains with the battery removed. Can't find your answer ? Ask ! Publish Related resources: ForumWill a dead battery in a laptop make the screen stop working ForumHow to start an automatic car with dead battery ? ForumDead laptop, but battery ok. (?) ForumWould a dead CMOS battery cause a system not boot? ForumLaptop dead on but works on battery - power adapter fine ForumLaptop dead on but works on battery - power adapter fine -chargers battery ForumWill a dead motherboard battery keep a 1450 solo from coming on at all? ForumIs it SAFE to run a laptop with a dead battery on AC power without removing the ForumCMOS battery dead , boot failure. Is my raid 0 gone? ForumDead battery in computer ForumAbit UL8 - CMOS problem (not dead battery ) Forumcan i charge RTC battery of my laptop when the main battery gone dead ForumDead battery ForumLaptop memory question More resources Read discussions in other Laptops & Notebooks categories Battery Acer Asus Dell Hewlett Packard iPad Toshiba Vaio !