Hard Disk Drive Problems - IBM ThinkPad A22e Supplementary Manual

Solving computer problems
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 cannot be charged.
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 it stops.
v You carry the hard disk drive.
v You carry 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.
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ThinkPad A22 Service and Troubleshooting Guide