Sometimes you need to fully shut down and restart your PC for changes to take place. This is called a cold reboot. It’s important to follow these steps closely because it will allow all components of your computer, including the Bluetooth adapter, to fully reset.
Follow these steps to perform a cold reboot:
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Save documents and close any programs you have open.
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You may want to write down these steps too.
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Press and hold the power button on your device for a full 10 seconds, until the screen turns off, then release the power button.
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Make sure to hold the button for the full 10 seconds.
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Unplug your PC's power cable, wait 30 seconds, and plug your PC back in. If you're using a laptop PC, make sure to also disconnect the charger.
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Turn your device back on.
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Return to the Bluetooth settings page and check if the Bluetooth icon has returned.
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Select Start > Settings > Devices > Bluetooth & other devices
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If your Bluetooth icon still doesn’t appear, contact me again and ask to talk to an agent to get more help with this issue.
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