Solution: If your built-in battery cannot be charged, try the following solutions one by one to troubleshoot and fix the issue:

  1. Ensure that you use the power adapter with proper wattage. Low-wattage power adapters might cause battery charging problem.

  2. Exit any heavy-loading programs and charge the computer again. To check the load of programs in process: Press Ctrl+Alt+Delete, and then click Task Manager > Processes.

  3. Move your computer to a cool and well-ventilated spot. Battery charging is also affected by its temperature.

  4. Reset the battery gauge. Take the following steps:

    1. Open the Vantage app, and then click the menu icon at the top-right corner.

    2. Select Power > BATTERY SETTINGS, and then click RESET in Battery gauge reset section.

  5. Update the UEFI BIOS to the latest version. For details, refer to “UEFI BIOS problems” in this User Guide.


  6. Problem: What should I do if my built-in battery is not fully charged?

    Solution:Keeping the battery from full charge when battery power is not in heavy use can help extend its lifespan. If you want to fully charge the battery, try the following solutions one by one:

    1. Disable the Smart Charge. Take the following steps:

      1. Open the Vantage app, and then click the menu icon at the top-right corner.

      2. Select Power > BATTERY SETTINGS, and then slide the Smart charge switch to disable the function.

    2. Reset the battery gauge. Take the following steps:

      1. Open the Vantage app, and then click the menu icon at the top-right corner.

      2. Select Power > BATTERY SETTINGS, and then click RESET in Battery gauge reset section.

    3. Update the UEFI BIOS to the latest version. For details, refer to “UEFI BIOS problems” in this User Guide.


    Problem: What should I do if my computer is connected to ac power but not charged?

    Solution:If your computer is connected to ac power but not charged, try the following solutions one by one to troubleshoot and fix the issue:

    1. Ensure that you use Lenovo-certified ac power adapter and power cord that are designed for charging with proper wattage. If there are any visible signs of damage, you can purchase a new ac power adapter or power cord at https://www.lenovo.com/accessories.

    2. Ensure that the power connector is clean and well-conditioned.

    3. Ensure that the power adapter and power cord are completely and firmly connected to both your computer and a working power outlet.

    4. Turn off the computer and disconnect the computer from ac power and all connected cables. Wait a few minutes. Then, reconnect to ac power and turn on the computer.