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My computer repeatedly types 9 and it started happening not long ago. I temporarily fix it by restarting my computer but eventually it comes back. There’s no certain amount of time that it takes to come back it just happens randomly. I tried keyboard troubleshooting but there was “no issues found”. When I unplug my keyboard it still continues, so it can’t be my keyboard. I have no idea why it keeps happening or what could be causing it. My drivers are up to the latest date. I have searched up numerous videos and things online, but nothing seems to help.
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Just because it continues when you unplug your keyboard doesn't necessarily mean the keyboard isn't the problem. The only way to really know for sure is to plug in a different keyboard and then reboot the computer.
The reason: your keyboard sends a "9 is being held down" signal to the computer, and the computer keeps doing that until it gets a "9 has been let go" signal. If that signal never arrives, it will keep typing 9 even if you unplug the keyboard.
