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PC keyboard duplicates space keystrokes

Posted: 24 May 2024 02:17
by ijor
My PC keyboard suddenly started to repeat space keystrokes. Whenever I hit the space bar, it produces two (sometimes three) spaces. I read that this mean that it likely needs some cleaning. Ok, so I remove the space bar and perform a quick cleanup of the area and the bar itself. It works ok ... for a couple of days, may be more, but then it starts again. Clean again, some story, works ok only for a few days.

Time to change the keyboard? A major cleanup removing all the keys?

Re: PC keyboard duplicates space keystrokes

Posted: 24 May 2024 08:13
by alexh
I don't know what the mechanicals are like of your keyboard but I have used contact cleaner in the past to avoid a full strip-down. Just test it first to make sure it dries non-greasy but it should.

Re: PC keyboard duplicates space keystrokes

Posted: 24 May 2024 08:36
by rubber_jonnie
Whilst the mechanicals can get sticky, it's possible that you'll need to go a bit deeper and look at the the key switch, be it a membrane, rubber dome or mechanical switch. For membrane and rubber dome I find that a clean with IPA is usually enough, but for mechanical switches you probably need some sort of contact cleaner like DeOxit or Electrolube.

Re: PC keyboard duplicates space keystrokes

Posted: 24 May 2024 10:15
by exxos
If it is a USB keyboard I would certainly spray some contact cleaner on the USB socket and plug or try a different USB socket. I've been "had" of thinking I have a faulty keyboard when it was simply a bad connection.

Re: PC keyboard duplicates space keystrokes

Posted: 24 May 2024 14:03
by ijor
Thanks for the replies.

It's a mechanical keyboard, not an expensive gamer keyboard, but not a very cheap keyboard either:

Logitech G413 Backlit Mechanical Gaming Keyboard with USB Passthrough – Carbon

Edit: For some reason a link to Amazon doesn't work.

Re: PC keyboard duplicates space keystrokes

Posted: 24 May 2024 14:08
by rubber_jonnie
ijor wrote: 24 May 2024 14:03 Thanks for the replies.

It's a mechanical keyboard, not an expensive gamer keyboard, but not a very cheap keyboard either:

Logitech G413 Backlit Mechanical Gaming Keyboard with USB Passthrough – Carbon

Edit: For some reason a link to Amazon doesn't work.
Probably a squirt of contact cleaner in the switch would do then.

Re: PC keyboard duplicates space keystrokes

Posted: 24 May 2024 15:36
by ijor
rubber_jonnie wrote: 24 May 2024 14:08 Probably a squirt of contact cleaner in the switch would do then.
For doing that I would need to remove the switch, right?

Re: PC keyboard duplicates space keystrokes

Posted: 24 May 2024 15:41
by exxos
ijor wrote: 24 May 2024 14:03 Edit: For some reason a link to Amazon doesn't work.
Thats because of HTTPS links are not allowed across different domains. If you remove HTTPS, it should work fine.

Re: PC keyboard duplicates space keystrokes

Posted: 24 May 2024 16:04
by rubber_jonnie
ijor wrote: 24 May 2024 15:36
rubber_jonnie wrote: 24 May 2024 14:08 Probably a squirt of contact cleaner in the switch would do then.
For doing that I would need to remove the switch, right?
Depends on the switch, some do allow a little access with the keycaps removed and the stem depressed, others may need removal.