Category Archives: HP Compaq Presario

Replacing the BIOS battery on a HP Compaq Presario CQ56 – a complete disaster from an engineering standpoint

A student came into my office today and wondered if I could assist him with replacing the BIOS battery on his HP Compaq Presario CQ56 laptop. Sure, I said, not knowing what a daunting task I soon would be facing. Continue reading Replacing the BIOS battery on a HP Compaq Presario CQ56 – a complete disaster from an engineering standpoint