Lenovo ThinkPad 390X Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 50

Peripheral-Device-Related Symptom, Intermittent Problems, and the problem remains, see Undetermined

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Symptom/Error The system will not wake up from hibernation mode. The system will not enter suspend mode after closing the LCD. Battery fuel-gauge does not go higher than 90%. System configuration does not match the installed devices. System hangs intermittently. FRU/Action in Sequence 1. Keyboard (if control is from the keyboard) 2. Hard disk drive 3. System board 1. Lid switch 2. System board 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 1. Load Setup Defaults and reboot the system. 2. Reseat the Combobay. 1. Reseat Hard Disk/Combobay. 2. Fan 3. System board Peripheral-Device-Related Symptom 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 Note: If you cannot find a symptom or an error in this list and the problem remains, see "Undetermined Problems" on page 45. 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

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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