How do you fix unresponsive keyboard keys on a Mac?

If your Mac doesn’t respond to key presses

1. Disconnect and reconnect the keyboard. Make sure the connector is completely inserted into the port.
2. Connect your keyboard to a different USB port or to a different Mac. If this solves the problem, your Mac may need to be repaired.
3. Connect a different keyboard to this Mac.

How do I reset my Mac keyboard keys?

Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears. Hold the keys down until the computer restarts and you hear the startup sound for the second time. Release the keys.

Why won’t my Mac let me type?

If your Mac keyboard won’t let you type, check if an external keyboard works or enable the on-screen keyboard. Then ensure the Slow and Mouse Keys options are disabled. Additionally, boot into Safe Mode and check the results. If the issue persists, reset the NVRAM and SMC.

What causes keyboard keys to stop working?

Dust, dirt, hair, and other debris can fall into the keyboard over time and obstruct a key’s movement or interfere with its circuitry. Try removing the key that isn’t working, and clean the area under and around it.

How do I get my Mac keyboard to work?

If Your Mac USB Keyboard Is Not Working

1. Try a Different USB Port. Unplug your keyboard from the current USB port and try another one.
2. Check the System Report.
3. Turn Bluetooth Off.
4. Make Sure Mouse Keys and Slow Keys Are Turned Off.
5. Connect Your Keyboard Through an Extension Cord or USB Hub.

Is IMAC keyboard waterproof?

The keyboard is not water resistant. We recommend keeping liquid away from it.

Can a keyboard dry out?

Dry the keyboard using a towel or cloth. Avoid using paper towels or tissues because they contain a lot of lint. Be sure to dry between the keys as best you can. Let the keyboard dry upside down for at least 24 hours.