Why does my keyboard write extra letters?

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2

When I press the F key on my laptop it suddenly happens that boyfriend or fb is written. What can I do?

gr

What do you have for a laptop?

Mac or PC?

ta

Common problems:

Too fast key repetition.
Too thick fingers
Latent Lägasthenie (I know what I'm talking about!)
Loose contact or other malfunction in the keyboard
Cable break if cable keyboard available