Battery And Power Problems - Lenovo ThinkPad X260 User Manual

• Problem: The reader often fails to enroll or authenticate your fingerprint.
Solution: If the surface of the reader is dirty, stained, or wet, gently clean the surface of the reader
with a dry, soft, lint-free cloth.
For tips on how to maintain the fingerprint reader, see "Using the fingerprint reader" on page 57.

Battery and power problems

This topic contains instructions on troubleshooting battery and power problems.
Battery problems
• Problem: The batteries cannot be fully charged in the standard charge time when the computer is
powered off.
Solution: The batteries might be over-discharged. Do the following:
1. Turn off the computer.
2. Connect the ac power adapter to the computer and let it charge.
If a quick charger is available, use it to charge the over-discharged batteries.
If the batteries cannot be fully charged in 24 hours, call Lenovo Customer Service Center.
• Problem: Your computer shuts down before the battery-status icon in the Windows notification area
shows empty, or your computer operates after the battery-status icon in the Windows notification area
shows empty.
Solution: Discharge and recharge the batteries.
• Problem: The operating time for fully charged batteries is short.
Solution: Discharge and recharge the batteries. If your battery operating time is still short, call Lenovo
Customer Service Center.
• Problem: The computer does not operate with fully charged batteries.
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 batteries cannot be charged.
Solution: You cannot charge a battery when it is too hot. Turn off the computer and allow it to cool
to room temperature. After it cools, recharge the batteries. If the batteries still cannot be charged,
call Lenovo Customer Service Center.
This system supports only batteries specially designed for this specific system and manufactured
by Lenovo or an authorized builder. The system does not support unauthorized batteries or batteries
designed for other systems. If an unauthorized battery or a battery designed for another system is
installed, the system will not charge.
Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and
provides no warranties for failures or damage arising out of their use.
An ac power adapter problem
Problem: The ac power adapter is connected to the computer and the working electrical outlet, but the
power adapter (power plug) icon is not displayed in the Windows notification area.
Solution: Do the following:
1. Make sure that the connection of the ac power adapter is correct. For instructions on connecting the ac
power adapter, see Safety, Warranty, and Setup Guide that comes with your computer.
2. If the connection of the ac power adapter is correct, turn off the computer, and then disconnect the ac
power adapter.
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Chapter 8 Troubleshooting computer problems
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