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ThinkPad X301 Service and Troubleshooting Guide - Lenovo

ThinkPad X301 Service and Troubleshooting Guide - Lenovo

ThinkPad X301 Service and Troubleshooting Guide - Lenovo

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Battery problems<br />

Problem:<br />

The battery does not charge.<br />

-or-<br />

The operating time for a fully charged battery is short.<br />

-or-<br />

The battery cannot be fully charged by the power-off method in the st<strong>and</strong>ard<br />

charge time for the computer.<br />

Solution:<br />

For details, see ″Problem solving″ in Access Help<br />

Problem:<br />

The computer does not operate with a fully charged battery.<br />

Solution:<br />

The surge protector in the battery might be active. Turn off the computer for<br />

one minute to reset the protector; then turn on the computer again.<br />

Problem:<br />

The computer shuts down before the battery status indicator shows empty.<br />

-or-<br />

The computer operates after the battery status indicator shows empty.<br />

Solution:<br />

Discharge <strong>and</strong> recharge the battery.<br />

AC adapter problems<br />

Problem:<br />

The AC adapter is connected to the computer <strong>and</strong> the working electrical<br />

outlet, but the power adapter (power plug) icon is not displayed on the task<br />

bar. Also the AC power indicator does not light up.<br />

Solution:<br />

1. Make sure that the connection of the AC adapter is correct. For<br />

connecting the AC adapter, see the Setup Instructions manual included in<br />

the shipping contents of your computer.<br />

2. If the above step is correct, turn off the computer, then disconnect the AC<br />

adapter <strong>and</strong> uninstall the main battery.<br />

3. Reinstall the battery <strong>and</strong> reconnect the AC adapter, then turn on the<br />

computer.<br />

4. If the power adapter icon still does not appear on the task bar <strong>and</strong> the<br />

AC power indicator does not light up, have the AC adapter <strong>and</strong> your<br />

computer serviced.<br />

Chapter 3. Solving computer problems 27

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