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Power Management-Related Symptoms
Symptom/Error FRU/Action in Sequence
The system doesn’t enter
hibernation mode.
v Go to “Hibernation mode” on
page 29.
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
The system doesn’t
resume from hibernation
mode.
v Go to “Hibernation mode” on
page 29.
v Hard disk drive connector
v Hard disk drive
v System board
The system doesn’t enter
into or resume from
sleep mode after closing
the LCD.
v Lid switch
v System board
v Lid close action in the power
operation properties of the OS
System configuration
does not match the
installed devices.
v Enter BIOS Utility and execute
″Load Setup Default Settings″; then
reboot the system.
v Reseat Hard disk/diskette/CD-ROM
drive connector.
System hangs
intermittently.
v Reseat hard disk/diskette/CD-ROM
drive connector.
v Fan ASM (go to “FRU tests” on
page 54).
v System board
Peripheral-Device-Related Symptoms
Symptom/Error FRU/Action in Sequence
External display does not
work correctly.
v Both display mode, press Fn+F7.
v System board
Printer problems.
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
MT 2656, 2657, 2676 47