First of first , the Bluetooth should be turned on on your Mac. After that you can try these following steps on your keyboard:
- Check the keyboard to be turned on. In case you have a Magic Keyboard or Magic Keyboard with Numeric Keypad, push the power switch on the back of the keyboard to turn it on , it should be green when its on.If you have an Apple Wireless Keyboard (late 2015 or earlier), push the power button on the right side of the keyboard.
- Verify that the keyboard is connected by pressing the Caps Lock key. If the keyboard is connected to your system, the Caps Lock light turns on when you press it.
- check setting up your Apple wireless devices to make sure that the device is set up correctly.
- Check your keyboard to have power. The battery level in the Bluetooth menu at the top of your screen. In case power is low, recharge your Magic Keyboard or Magic Keyboard with Numeric Keypad, or replace the batteries in your Apple Wireless Keyboard.
- Check the keys by typing in an app like Notes or TextEdit.
If your keyboard doesn’t work over Bluetooth after trying these steps, it might need to be replaced.
Steps for a USB keyboard
To get start, check your device’s USB connection. try these steps if the problem is still unsolved:
- Unplug devices totally from your computer, like connected mouse, keyboard, printer, scanner, camera, iPod, external hard drive, and hub.
Some devices, like iPod, might need you to perform steps before it’s safe to unplug them.
- Plug your keyboard and mouse back into your computer confidently and securely. You should make sure that the connector is totally in the port. (USB plugs fit into ports one way only, and won’t plug in if you try to insert them upside-down.)
In case you have a Magic Keyboard or Magic Keyboard with Numeric Keypad, then make sure that your Lightning to USB cable is firmly connected to the Lightning port on the back edge of the keyboard.
- when your keys still don’t work, try plugging your keyboard in to the other USB ports. Be sure to check all of them. Check to see if the keyboard’s Caps Lock light turns on when you press it, and try typing in an app like Notes or TextEdit.
As you know Magic Keyboard and Magic Keyboard with Numeric Keypad use a Lightning to USB cable. Check all cables you’re using is the one that came with the keyboard, or is a Lightning to USB cable that you know is in working order. You can try a different Lightning to USB cable to test whether the cable is causing the issue.
Some more tips for fixing matters with your USB keyboard:
- If your keyboard works in one of your USB ports but not all, your computer might need service.
- If your keyboard doesn’t work in any of your computer’s USB ports, your keyboard might need to be replaced.
- If your Apple Keyboard with Numeric Keypad isn’t charging your iOS device, plug your charging cable directly into a USB 2.0 or 3.0 port on a computer that’s on and not in sleep mode.
When only some keys on your wireless, USB, or built-in keyboard work
You can follow these steps to Hand over the problems.
Caps Lock key
The Caps Lock key is planned to avoid accidental activation. If the Caps Lock key doesn’t turn on with a quick tap, hold the key down for about one second, or until the key’s green indicator lights up. Do the same to turn off Caps Lock.
Media Eject key
The media eject key has a small delay to keep it from being used by mistake. Hold down the key until the Media Eject icon appears on your screen.
You may have set an option that changes how your keyboard operates. Choose Apple () menu > System Preferences, and then try these tips:
- In the Accessibility pane, click Speech in the left side. If “Speak selected text when the key is pressed” is selected, deselect it or click Change Key to select another key.
- In the Accessibility pane, click Keyboard. Make sure Enable Slow Keys is turned off. If it’s on, you have to hold down a key longer than usual before it’s recognized.
- In the Accessibility pane, click Mouse & Trackpad. Make sure Enable Mouse Keys is off. If it’s on, pressing keys in the numeric keypad moves the pointer instead of entering numbers.
- In the Keyboard pane, click Input Sources. Make sure that the correct keyboard layout is selected.
Then you can check your keyboard’s present layout on your Mac’s display to make sure that you’re using the correct layout:
- In System Preferences, click Keyboard, then select “Show keyboard and emoji viewers in menu bar.”
- Choose the keyboard icon in your menu bar, then choose Show Keyboard Viewer. You’ll see a graphical representation of your keyboard that highlights the corresponding keys you press on your keyboard.
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