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:
vThe hard disk drive starts accessing the data or it stops.
vYou carry the hard disk drive.
vYou 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.
26ThinkPad® A22 Service and Troubleshooting Guide