Lenovo ThinkPad Yoga 11e, User Manual, Page: 107 / 164

If the built-in battery cannot be fully charged in 24 hours, have your computer serviced.
• Problem : Your computer shuts down before the battery-status indicator shows empty, or your computer
operates after the battery-status indicator shows empty.
Solution : Discharge and recharge the built-in battery.
• Problem : The operating time for a fully charged built-in battery is short.
Solution : Discharge and recharge the built-in battery. If your battery operating time is still short, have
your computer serviced.
• Problem : The computer does not operate with a fully charged built-in battery.
Solution : The surge protector in the built-in battery might be active. Turn off the computer for one minute
to reset the protector; then turn on the computer again.
• Problem : The built-in battery cannot be charged.
You cannot charge the battery when it is too hot. Turn off the computer and allow it to cool to room
temperature. After the computer cools, recharge the battery. If the battery still cannot be charged,
have your computer serviced.
Power problems
Print these instructions now and keep it with your computer for reference later.
If your computer is getting no power at all, check the following items:
1. Check all power connections. Remove any power strips and surge protectors to connect the ac power
adapter directly to the ac power outlet.
2. Inspect the ac power adapter. Check for any physical damage, and make sure that the power cable is
firmly attached to the adapter brick and the computer.
3. Verify the ac power source is working by attaching another device to the outlet.
4. Remove all devices and then test for system power with minimal devices attached.
If your computer does not run on battery power, check the following items:
1. If the battery runs out of power, attach ac power adapter to recharge the battery.
2. If the battery is charged but the computer does not run, call Lenovo Customer Service Center to have
your computer serviced.
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, then disconnect the ac
power adapter.
3. Reconnect the ac power adapter, then turn on the computer.
4. If the power adapter icon still is not displayed in the Windows notification area, have the ac power
adapter and your computer serviced.
Note: If you are using the Windows 7 operating system, to display the power adapter (power plug) icon, click
Show hidden icons in the Windows notification area.
Chapter 7
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Troubleshooting problems
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