Lenovo ThinkPad i Series 1800 English - User's Guide for A Series - Page 43

Battery problems, Hard-disk-drive problems

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Hardware troubleshooting Battery problems Problem The battery pack cannot be fully charged by the power-off charging method in the standard charge time for your computer. Your computer shuts down before the battery status indicator shows empty, -orYour computer operates after the battery status indicator shows empty. The operating time for a fully charged battery pack is short. The computer does not operate with a fully charged battery pack. The battery pack cannot be charged. Cause and action The battery pack might be over-discharged. Do the following: 1. Turn off the computer. 2. Make sure that the over-discharged battery pack is in the computer. 3. Connect the ac adapter to the computer and let it charge. If the battery pack cannot be fully charged in 24 hours, use a new battery pack. If the optional Quick Charger is available, use it to charge the over-discharged battery pack. Discharge and recharge the battery pack. Discharge and recharge the battery pack. If your battery's operating time is still short, use a new battery pack. The surge protector in the battery pack might be active. Turn off the computer for one minute to reset the protector; then turn on the computer again. You cannot charge the battery when it is too hot. If the battery feels hot, remove it from the computer and allow it to cool to room temperature. After it cools, reinstall it and recharge the battery. If it still cannot be charged, have it serviced. Hard-disk-drive problems Problem The hard-disk drive makes a rattling noise intermittently. Cause and action The rattling noise might be heard when: The hard-disk drive starts accessing the data or when it stops. You carry the hard-disk drive. You carry your computer. This is a normal characteristic of a hard-disk drive and is not a defect. Chapter 3. Solving computer problems 27

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Hardware troubleshooting
Battery problems
Problem
Cause and action
The battery pack cannot
be fully charged by the
power-off charging
method in the standard
charge time for your
computer.
The battery pack might be over-discharged. Do the following:
1. Turn off the computer.
2. Make sure that the over-discharged battery pack is in the computer.
3. Connect the ac adapter to the computer and let it charge.
If the battery pack cannot be fully charged in 24 hours, use a new battery
pack.
If the optional Quick Charger is available, use it to charge the
over-discharged battery pack.
Your computer shuts
down before the battery
status indicator shows
empty,
-or-
Your computer operates
after the battery status
indicator shows empty.
Discharge and recharge the battery pack.
The operating time for a
fully charged battery pack
is short.
Discharge and recharge the battery pack. If your battery's operating time
is still short, use a new battery pack.
The computer does not
operate with a fully
charged battery pack.
The surge protector in the battery pack might be active.
Turn off the
computer for one minute to reset the protector; then turn on the computer
again.
The battery pack cannot
be charged.
You cannot charge the battery when it is too hot. If the battery feels hot,
remove it from the computer and allow it to cool to room temperature.
After it cools, reinstall it and recharge the battery. If it still cannot be
charged, have it serviced.
Hard-disk-drive problems
Problem
Cause and action
The hard-disk drive makes
a rattling noise
intermittently.
The rattling noise might be heard when:
±
The hard-disk drive starts accessing the data or when it stops.
±
You carry the hard-disk drive.
±
You carry your computer.
This is a normal characteristic of a hard-disk drive and is not a defect.
Chapter 3.
Solving computer problems
27