IBM 2621421 Hardware Maintenance Manual - Page 52

Peripheral-Device-Related Symptom, Modem-Related Symptoms

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Symptom/Error Battery fuel-gauge doesn't go higher than 90%. System configuration does not match the installed devices. System hangs intermittently. FRU/Action in Sequence Remove battery pack and let it cool for 2 hours. Refresh battery (continue using battery until power off, then charge the battery). Battery pack Charger board System board Enter BIOS Utility and execute "Load Setup Default Settings"; then reboot the system. Reconnect hard disk/diskette/CD-ROM drive connector. Hard disk/diskette/CD-ROM drive connector Fan (go to "Running the PQA Diagnostics Program" on page 49). System board Peripheral-Device-Related Symptom Symptom/Error FRU/Action in Sequence External display does not work correctly. Press Fn+F3, LCD/CRT/Both display switching. System board Printer problems. Run printer self-test. Printer driver Printer cable Ensure that "Parallel Port" in the "Onboard Devices Configuration" menu of the BIOS Utility is correctly set. System board Serial or parallel port device problems. Device driver Device cable Device Ensure that "Serial Port" and "Parallel Port" in the "Onboard Devices Configuration" menu of the BIOS Utility is correctly set. System board Modem-Related Symptoms 44 ThinkPad i Series 1400 HMM

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Symptom/Error
FRU/Action in Sequence
Battery fuel-gauge
doesn't go higher
than 90%.
±
Remove battery pack and let
it cool for 2 hours.
±
Refresh battery (continue
using battery until power off,
then charge the battery).
±
Battery pack
±
Charger board
±
System board
System configuration
does not match the
installed devices.
±
Enter BIOS Utility and
execute "Load Setup Default
Settings"; then reboot the
system.
±
Reconnect hard
disk/diskette/CD-ROM drive
connector.
System hangs
intermittently.
±
Hard disk/diskette/CD-ROM
drive connector
±
Fan (go to “Running the PQA
Diagnostics Program” on
page 49).
±
System board
Peripheral-Device-Related Symptom
Symptom/Error
FRU/Action in Sequence
External display does
not work correctly.
±
Press
Fn+F3
, LCD/CRT/Both
display switching.
±
System board
Printer problems.
±
Run printer self-test.
±
Printer driver
±
Printer cable
±
Ensure that "Parallel Port" in
the "Onboard Devices Config-
uration" menu of the BIOS
Utility is correctly set.
±
System board
Serial or parallel port
device problems.
±
Device driver
±
Device cable
±
Device
±
Ensure that "Serial Port" and
"Parallel Port" in the
"Onboard Devices Configura-
tion" menu of the BIOS Utility
is correctly set.
±
System board
Modem-Related Symptoms
44
ThinkPad i Series 1400 HMM