Hard Disk Drive Problems - IBM ThinkPad® T40 Series Service And Troubleshooting Manual

If the optional Quick Charger is available, use it to charge the
over-discharged battery.
If the battery cannot be fully charged in 24 hours, use a new battery.
Problem:
Your computer shuts down before the battery status indicator shows
empty.
or
Your computer operates after the battery status indicator shows empty.
Solution:
Discharge and recharge the battery.
Problem:
The operating time for a fully charged battery is short.
Solution:
Discharge and recharge the battery. If your battery's operating time is still
short, use a new battery.
Problem:
The computer does not operate with a fully charged battery.
Solution:
The surge protector in the battery might be active. Turn off the computer
for one minute to reset the protector; then turn on the computer again.
Problem
The battery does not charge.
Solution
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.
Solution:
The rattling noise might be heard when:
v The hard disk drive starts accessing the data or when it stops.
v You are carrying the hard disk drive.
v You are carrying your computer.
This is a normal characteristic of a hard disk drive and is not a defect.
Problem:
The hard disk drive does not work.
Solving computer problems
Chapter 2. Solving computer problems
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