dell latitude d610? ok if this msg presist then you hardisk is not booting up due to power failure or may be your hdd is damage. so do one thing start your lapi and go to bios setting for bios setting plz read the instruction given on startup screen. by default you can use del key for entering bios. after that chek out for hdd detection. if you are still not getting . then go for computer shop and tell them your problem. may be its time to replace your hdd.