Cause: The Bluetooth function may not be enabled. The device may be damaged, resulting in the inability to perform Bluetooth pairing; It may be that the Bluetooth device has run out of power and can be charged for a while before pairing.
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Apple second control keyboard pairing method: Use the lightning to USB cable to connect the keyboard and the computer, need to ensure that the keyboard power key has been turned on, then open the system preferences page on the Mac computer, turn on the Bluetooth function, and then pair with the keyboard, you can unplug the cable after successful pairing, with high transmission efficiency and high security advantages.
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Through the above pairing method, you can pair the mouse and the computer, there is a power button at the bottom of the mouse, if the device cannot be used, it is recommended to charge for a period of time before use; If your computer's Bluetooth icon turns gray, it means Bluetooth is turned off, and if there is a broken line icon on the Bluetooth icon, it means Bluetooth is offline or unavailable.
Apple's next-generation wireless keyboard may not respond to the following reasons
one
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Whether the keyboard has power, when no power can not connect;
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two
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Whether the computer turns on Bluetooth, click Bluetooth option in system preferences, and select Turn on Bluetooth on the left;
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three
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Whether the keyboard is connected to other devices, if so, choose to cancel the connection;
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four
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The keyboard is not recognized by the system, click the Bluetooth option in the system preferences, select the keyboard in the search device (it is best to restart the keyboard at this time), and then enter a few numbers, and then press return, you can connect.