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  1. Step 6. Press and hold the "End Call" button to power on the device after 30 minutes, while leaving the device plugged in to the charger. If the battery is chargeable, the device will power on and the battery indicator on the home screen will show the device is charging. If the battery is not chargeable, the device will not power on.

    • Overview
    • Hold the power button
    • Troubleshoot your cable, power adapter, outlet & case
    • Troubleshoot your battery charge
    • Troubleshoot your screen
    • Troubleshoot with advanced steps
    • Related resources

    Use the steps on this page to fix the following problems on your phone:

    Won’t turn on

    Has a black or blank screen

    Turns on but won’t charge

    First, try holding down your phone's power button for 5-7 seconds. This usually restarts a phone.

    1. Try to charge another device with your power adapter and cable.

    2. Check that the cable is securely connected to the adapter and to your phone.

    3. Check that there's nothing in the port of your phone, like dust or lint.

    4. Try to charge your phone with another cable or power adapter.

    Plug in your phone with a working cable, charger, and outlet, then wait one minute.

    • If you see a battery icon, your phone is powered off and is charging. You can restart right away.

    • If you see a red light, your battery is fully discharged. If the red light is flashing, there isn't enough power to turn on. Charge your phone for at least 30 minutes before restarting.

    • If you don't see a battery icon or red light after you plug in your phone, the issue could be with your screen.

    1. Press the power button for about 30 seconds.

    2. Wait about 2 minutes.

    3. Make your phone ring. You can call it from another phone or use Find My Device. Learn how.

    4. If your phone rings, learn how to troubleshoot your screen. If it doesn’t, go to the advanced steps (below).

    Option 1: Troubleshoot by connecting to a computer

    1. Check that your computer is on and connected to a power source.

    2. Connect your phone to your computer's USB or USB-C port with a cable that works.

    3. Wait about 10–15 minutes.

    4. Disconnect the cable from your phone, then reconnect it within 10 seconds.

    5. If you see a battery icon within one minute, your phone is powered off and charging.

    • Charge & turn on a phone

    • Fix a phone that freezes or is unresponsive

  2. Jul 15, 2021 · Look for a little symbol with a lightning squiggle inside a battery next to the port, which indicates that it can be used for such purposes. Obviously, your laptop battery will need to have sufficient charge if it’s not connected to the main supply. This so-called Always-on USB feature sometimes needs to be switched on in your computer’s ...

    • Check Your Laptop Adapter. Before taking any major steps, the first thing you should check is whether the power cord is securely connected to the adapter brick.
    • Connect the Laptop Adapter to a Different Socket. Your laptop may not charge if the socket in which the adapter plug is currently connected is not functioning.
    • Use the Original Charger. You should also ensure that you're using the original charger that came with your laptop for optimal charging. While third-party chargers may advertise fast charging or other advantages, they often end up harming the device.
    • Examine the Charging Port and Pin. If your laptop is still not charging, you should carefully examine your laptop's charging port for any dust or debris that might have accumulated inside.
  3. Jan 1, 2019 · Press and hold the Power button for 30 seconds. Plug your laptop back in and replace the Battery. Start your PC. Open Device Manager (accessible by right clicking your Start Button) Expand the Batteries section. For each device in that section: Right click and choose Disable. Then right click and choose Enable.

  4. Aug 12, 2023 · 7. Update or Reinstall Battery Drivers. Since your battery is an external device, Windows uses certain drivers to interface with it properly. If your computer is still plugged in and not charging after trying the above, then updating or removing those drivers might kickstart the charging process.

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  6. Dec 11, 2023 · 7. Lose the Battery. Lenovo Legion 9i Gen 8 (Credit: Joseph Maldonado) You should also check the physical integrity of the battery. If your laptop comes with a removable battery, take it out and ...