Power Problems - Lenovo ThinkPad X230 Tablet User Manual

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.
This system does not support batteries that are not genuine Lenovo-made or authorized. The system will
continue to boot, but may not charge unauthorized batteries.
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 on the taskbar. Also the ac power indicator does not
light up.
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 and remove the main battery.
3. Reinstall the battery and reconnect the ac power adapter, then turn on the computer.
4. If the power adapter icon still does not appear on the taskbar and the ac power indicator does not light
up, have the ac power adapter and your computer serviced.
Note: To display the power adapter (power plug) icon, click the triangular icon on the taskbar.

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. Verify the power button. Refer to "Status indicators" on page 7. The power button is illuminated
whenever the computer is on.
2. Check all power connections. Remove any power strips and surge protectors to connect the ac power
adapter directly to the ac power outlet.
3. 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.
4. Verify the ac power source is working by attaching another device to the outlet.
5. Remove the computer from a ThinkPad UltraBase Series 3. Refer to "ThinkPad UltraBase Series 3"
on page 95.
Remove all devices and then test for system power with minimal devices attached.
a. Disconnect the ac power adapter and all cables from the computer.
b. Close the computer display, and turn the computer over.
c. Remove the battery, memory module, PCI Express Mini Cards, hard disk drive or solid-state drive or
mSATA solid-state drive. See Chapter 6 "Replacing devices" on page 71.
d. Wait for 30 seconds, and then reinstall the memory module and the known good battery or the ac
power adapter to test the computer with minimal devices attached first.
e. Reinstall each device one at a time that you have removed in the earlier steps.
.
Chapter 10 Troubleshooting computer problems
143