This is a dell 1535 laptop. The machine was infected with adware. Ran a Malware program that detected about 626 adwares. When the machine restarted started to get the unmountable_boot_volume blue screen. Tried to repair Vista but got error no had drive.
Removed the hard drive and attached it to another machine. The hard drive was recognized , it has 2 partitions - the one with the recovery is accesible but the remaing partition says inaccesbile .