Power Management-Related Symptoms
Symptom/Error
The system doesn't enter
hibernation mode.
The system doesn't
resume from hibernation
mode.
The system doesn't enter
into or resume from
sleep mode after closing
the LCD.
System configuration
does not match the
installed devices.
System hangs
intermittently.
Peripheral-Device-Related Symptoms
Symptom/Error
External display does not
work correctly.
Printer problems.
50
ThinkPad R30/R31 HMM
FRU/Action in Sequence
v Go to "Hibernation mode" on
page 28.
v Boot an operating system and
press Fn+F12 and see if the
computer enters hibernation mode.
v Keyboard
v Hard disk drive connector
v Hard disk drive
v System board
v Go to "Hibernation mode" on
page 28.
v Hard disk drive connector
v Hard disk drive
v System board
v Lid switch
v System board
v Lid close action in the power
operation properties of the OS
v Enter BIOS Utility and execute
"Load Setup Default Settings"; then
reboot the system.
v Reseat Hard disk/diskette/CD-ROM
drive connector.
v Reseat hard disk/diskette/CD-ROM
drive connector.
v Fan ASM (go to "FRU tests" on
page 57).
v System board
FRU/Action in Sequence
v Both display mode, press Fn+F7.
v System board
v Run printer self-test.
v Printer driver
v Printer cable
v Ensure that "Parallel Port" in the
"Config sub-menu" menu of the
BIOS Utility is correctly set.
v System board