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Symptom/Error FRU/Action in Sequence
The system will not
wake up from
hibernation mode.
1. Keyboard (if control is from
the keyboard)
2. Hard disk drive
3. System board
The system will not
enter suspend mode
after closing the LCD.
1. Lid switch
2. System board
Battery fuel-gauge
does not go higher
than 90%.
1. Remove Battery and let it
cool for 2 hours.
2. Refresh battery (continue
using battery in BIOS Setup
mode until power off, then
charge battery).
3. Battery
4. DC/DC & Charger board
5. System board
System configuration
does not match the
installed devices.
1. Load Setup Defaults and
reboot the system.
2. Reseat the Combobay.
System hangs
intermittently.
1. Reseat Hard Disk/Combobay.
2. Fan
3. System board
Peripheral-Device-Related Symptom
Note: If you cannot find a symptom or an error in this list
and the problem remains, see “Undetermined
Problems” on page 45.
Symptom/Error FRU/Action in Sequence
External display does
not work correctly.
System board
USB does not work
correctly.
System board
Print problems. Run printer self-test.
Printer driver
Printer cable
System board
Serial or parallel port
device problems.
Device driver
Device cable
Device
System board
Intermittent Problems
Intermittent system hang problems can be caused by a
variety of reasons that have nothing to do with a hardware
defect, such as cosmic radiation, electronic discharge, or
software errors. FRU replacement should be considered
only when a recurring problem exists.
44 ThinkPad 390X / i 1700 HMM