24Lenovo G470/G475/G570/G575 Hardware Maintenance ManualWhen you use the recovery disc s to boot your computer, the system will enter the user interface for system recovery automatically. Please follow the prompt to insert the backup disc s to complete the whole recovery process. Note: The recovery process might take up to 2 hours. PasswordsAs many as two passwords may be needed for any Lenovo computer: the power-on password (POP) and the supervisor password (SVP).If any of these passwords has been set, a...