How To Fix Arrow Keys On Mac Keyboard. You will need needle nose tweezers to handle small parts. Tony says in reply to Piero.
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Connect your keyboard to a different USB port or to a different Mac. One or more keys on the keyboard do not respond. Please review this video and let me know if you see any issues andor have advice on how to get the up arrow key.
This has been observed to work with the keyboards that have a dedicated driver and do not depend on the generic driver installed by your operating system.
Disconnect and reconnect the keyboard. Simply unplugging your keyboard and then plugging it back in can help you resolve the issue of arrow keys switched with WASD. As I said before if I press command right downupleft it works fine. The default is Keep File.
