IBM ThinkPad T23 2647, Supplementary Manual

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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.
Solution: In the startup menu in IBM BIOS Setup Utility, make sure that there
is no exclamation point ! to the left of the hard disk drive. If there is such a
mark, the hard disk drive is disabled. Clear the mark to enable the drive.
Other problems
Problem: The computer locks or does not accept any input.
Solution: Your computer might lock when it enters standby mode during a
communication operation. Disable the standby timer when you are working
on the network.
To turn off the computer, press and hold the power switch for 4 seconds or
more.
Solving computer problems
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ThinkPad
®
T23 Service and Troubleshooting Guide