i went to turn my laptop (apire 4520) on today and it turned on but nothing was happening i herd the cd drive running but there was no output at all it terned out the bios was corrupted so i reset it (removed the cmos battery) and it worked terned on fine everything was working then i terned it off plugged it in and terned it back on later then the same thing happened the bios was corrupted again! so dose anyone know what happened? i really do not want to remove the cmos battery again because i have to take the hole computer apart down to the main board to do it again...