Lenovo ThinkPad i Series 172x ThinkPad 390 / i Series 1720 models Hardware Mai - Page 47

Power Management-Related Symptoms, Peripheral-Device-Related Symptom

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Power Management-Related Symptoms Symptom/Error FRU/Action in Sequence The system will not enter hibernation mode. 1. Keyboard (if control is from the keyboard) 2. Hard disk drive 3. Planar board The system will not wake up from hibernation mode. 1. Keyboard (if control is from the keyboard) 2. Hard disk drive 3. Planar board The system will not enter suspend mode after closing the LCD. 1. Lid switch 2. Planar board Battery fuel-gauge does not go higher than 90%. 1. Remove Battery ASM and let it cool for 2 hours. 2. Refresh battery (continue using battery in BIOS Setup mode until powe off, then charge battery). 3. Battery 4. DC/DC & Charger board 5. Planar board System configuration does not match the installed devices. System hangs intermittently. 1. Load Setup Defaults and reboot the system. 2. Reseat the Combobay ASM. 1. Reseat Hard Disk/Combobay ASM. 2. Fan ASM 3. Planar board Peripheral-Device-Related Symptom Symptom/Error FRU/Action in Sequence External display does not work correctly. Planar board USB does not work correctly. Planar board Print problems. Run printer self-test. Printer driver Printer cable Planar board Serial or parallel port device problems. Device driver Device cable Device Planar board Note: If you cannot find a symptom or an error in this list and the problem remains, see "Undetermined Problems" on page 40. ThinkPad 390/i Series 1700 39

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Power Management-Related Symptoms
Symptom/Error
FRU/Action in Sequence
The system will not
enter hibernation
mode.
1.
Keyboard (if control is from
the keyboard)
2.
Hard disk drive
3.
Planar board
The system will not
wake up from
hibernation mode.
1.
Keyboard (if control is from
the keyboard)
2.
Hard disk drive
3.
Planar board
The system will not
enter suspend mode
after closing the LCD.
1.
Lid switch
2.
Planar board
Battery fuel-gauge
does not go higher
than 90%.
1.
Remove Battery ASM and let
it cool for 2 hours.
2.
Refresh battery (continue
using battery in BIOS Setup
mode until powe off, then
charge battery).
3.
Battery
4.
DC/DC & Charger board
5.
Planar board
System configuration
does not match the
installed devices.
1.
Load Setup Defaults and
reboot the system.
2.
Reseat the Combobay ASM.
System hangs
intermittently.
1.
Reseat Hard Disk/Combobay
ASM.
2.
Fan ASM
3.
Planar 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
40.
Symptom/Error
FRU/Action in Sequence
External display does
not work correctly.
Planar board
USB does not work
correctly.
Planar board
Print problems.
±
Run printer self-test.
±
Printer driver
±
Printer cable
±
Planar board
Serial or parallel port
device problems.
±
Device driver
±
Device cable
±
Device
±
Planar board
ThinkPad 390/i Series 1700
39