my keyboard suddenly begin to type a character over and over again and I can't stop it. Comes to post notes or elsewhere

My keyboard suddenly started typing a character again and again and I couldn't stop. Arrived at post notes or anywhere where I tried to type. At the same time my wireless mouse began to be nervous and some characters appeared on my typing ("n" with 2 different symbols above it.) I rebooted, but not better - then changed my wireless keyboard - mouse always nervous. But my wireless keyboard does not produce the 'a' and 's' (the reason I went back to wired keyboard) so I reconnected the keyboard and the problem disappeared. Is there any other fix if this happens again?

Change the batteries, and then maybe try to carefully clean the keyboard and especially around the defective key, or - if the switch or circuit is damaged, or if there was liquid damage, and it's not just a crud stuck in keyswitches - replace the keyboard.

Tags: Mac OS & System Software

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