Power Management-Related Symptoms
Symptom/Error
FRU/Action in Sequence
The system doesn't
enter hibernation
mode.
Go to “Hibernation mode” on
page 25.
Boot an operating system and
press Fn+F4 and see if the
computer enters hibernation
mode.
Keyboard
Hard disk drive connection
board
Hard disk drive
System board
The system doesn't
resume from
hibernation mode.
Go to “Hibernation mode” on
page 25.
Hard disk drive connection
board
Hard disk drive
System board
The system doesn't
enter into or resume
from sleep mode
after closing the LCD.
Lid switch
System board
System configuration
does not match the
installed devices.
Enter BIOS Utility and
execute "Load Setup Default
Settings"; then reboot the
system.
Reseat Hard
disk/diskette/CD-ROM drive
connector.
System hangs
intermittently.
Reseat hard
disk/diskette/CD-ROM drive
connector.
Fan ASM (go to “FRU tests”
on page 35).
System board
Peripheral-Device-Related Symptoms
Symptom/Error
FRU/Action in Sequence
External display does
not work correctly.
Both display mode, press
Fn+F7.
System board
Printer problems.
Run printer self-test.
Printer driver
Printer cable
Ensure that "Parallel Port" in
the "Onboard Devices Config-
uration" menu of the BIOS
Utility is correctly set.
System board
42
ThinkPad i Series 1200/1300 HMM
