Power Problems; A Power Button Problem - Lenovo ThinkPad Yoga 260 User Manual

Solution: The surge protector in the batteries 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 the batteries when they are too hot. Turn off the computer and allow them to
cool to room temperature. After they cool, recharge the batteries. If they still cannot be charged, call
Lenovo Customer Service Center to have them 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.

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 6. 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 ensure 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.
If your computer does not run on battery power, check the following items:
1. If the batteries run out of power, attach ac power adapter to recharge the battery.
2. If the batteries are charged but the computer does not run, call Lenovo Customer Service Center to
have it serviced.

A power button problem

Problem: The system does not respond, and you cannot turn off the computer.
Solution: Turn off the computer by pressing and holding the power button for four seconds or more. If the
system is still not reset, remove the ac power adapter and reset the system by inserting one end of a needle
or a straightened paper clip into the emergency-reset hole. To locate the emergency-reset hole, refer
to "Bottom view" on page 5.
Boot problems
Print these instructions now and keep them with your computer for reference later.
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ThinkPad Yoga 260 User Guide