Hardware Maintenance Manual
Page 5
... AC adapter 29 Checking operational charging 30 Checking the battery pack 30 Checking the backup battery 31 Related service information 33 Restoring the factory contents by using Product Recovery discs 33 Passwords 34 Power-on password 34 Hard-disk password 34 Supervisor password 34 How... 39 Numeric error codes 39 Error messages 43 Beep symptoms 44 © Copyright Lenovo 2008, 2009 No-beep symptoms 44 LCD-related symptoms 45 Intermittent problems 46 Undetermined problems 46 ThinkPad T500 and W500 47 Specifications 47 Status indicators 50 FRU tests 53 Fn key combinations ...
... AC adapter 29 Checking operational charging 30 Checking the battery pack 30 Checking the backup battery 31 Related service information 33 Restoring the factory contents by using Product Recovery discs 33 Passwords 34 Power-on password 34 Hard-disk password 34 Supervisor password 34 How... 39 Numeric error codes 39 Error messages 43 Beep symptoms 44 © Copyright Lenovo 2008, 2009 No-beep symptoms 44 LCD-related symptoms 45 Intermittent problems 46 Undetermined problems 46 ThinkPad T500 and W500 47 Specifications 47 Status indicators 50 FRU tests 53 Fn key combinations ...