Lenovo ThinkPad Yoga 15 User Manual page 142

5. Install the new coin-cell battery
6. Reinstall the base cover assembly.
7. Turn the computer over again. Connect the ac power adapter and all cables to the computer.
After you replace the coin-cell battery, reset the system date and time in the ThinkPad Setup program.
See "Date and Time menu" on page 72.
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1 , and then attach the connector 2 .