Keyboard keys not responding sometimes

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  1. Posts : 108
    Windows 10 Pro 64-bit (19045.2788)
       #1

    Keyboard keys not responding sometimes


    Have a Logitech G213 bought it new less than 2 months ago, it worked just fine until recently some and not all keys sometimes do not respond when pressing lightly, if I was to press them hard they would respond no problem but sometimes a normal pressing gives no response.

    Is it a problem with the keyboard itself or is there a chance it might be related to something else such as an issue with the USB ports? the reason I mention this is that I plugged a USB flash drive and the PC did not read it, so pulled it out and reinserted it and it showed (this was with another port all of which is for the motherboard so just thought I'd mention that).
      My Computer


  2. Posts : 6,393
    Windows 11 Pro - Windows 7 HP - Lubuntu
       #2

    VERX said:
    Have a Logitech G213 bought it new less than 2 months ago, it worked just fine until recently some and not all keys sometimes do not respond when pressing lightly, if I was to press them hard they would respond no problem but sometimes a normal pressing gives no response.

    Is it a problem with the keyboard itself or is there a chance it might be related to something else such as an issue with the USB ports? the reason I mention this is that I plugged a USB flash drive and the PC did not read it, so pulled it out and reinserted it and it showed (this was with another port all of which is for the motherboard so just thought I'd mention that).

    It is a problem with the keyboard itself and there is NO chance it might be related to something else such as an issue with the USB ports.

    Found this:
    The Logitech G213 Prodigy and the ROCCAT Magma are both wired non-mechanical gaming boards. Both use rubber dome switches, but the ones on the Logitech require more force to actuate than the ROCCAT's.

    There is nothing like a mechanical keyboard. They cost more but will work fine for decades. Mine is 25 years old. Only thing I do is to wash the keys and the case once in a while.
      My Computers


  3. Posts : 2,732
    Windows 10
       #3

    I would suspect 2 potential problems from what you are saying The Keyboard itself and the USB socket.

    As both devices are affected then likely to be the USB connectors, some of which maybe connected internally by plugs/sockets to/from the front/top panels, others directly to the MOBO on the IO panel.

    So some logical testing and physically viewing the ports, checking cables etc should sort that out.

    I use Logitech keyboards, the cheap membrane types, and several Mice wired/Bluetooth, no problems with those.
      My Computer


  4. Posts : 108
    Windows 10 Pro 64-bit (19045.2788)
    Thread Starter
       #4

    Then thing is most of they keys work just fine, it's just a few keys that are having this issue, for example while gaming I'm using W A S D non stop, W and S work perfect but A and D have this issue, then there's other keys such as X and 6 which i rarely use also have this problem.

    The keyboard is plugged into the blue sockets for the motherboard, so I'm going to try are use the black sockets and see if it's the same issue.
      My Computer


  5. Posts : 6,393
    Windows 11 Pro - Windows 7 HP - Lubuntu
       #5

    Helmut said:
    I would suspect 2 potential problems from what you are saying The Keyboard itself and the USB socket.
    How can you say that it can be related to the USB socket, cable etc if only some keys have problems?
      My Computers


  6. Posts : 1,247
    Windows 10
       #6

    Being that you are using a generic membrane style keyboard there is not much to go wrong with these and they are generally a really safe option in terms of reliability.

    You could open it up and check the circuit layer and clean it basically it will just be a PCB that has segregated banks of circuit traces that you can clean. You should also pull the key cap and inspect the membrane for the trouble keys make sure that they look like they are contacting the PCB as intended by actuating the membrane with the key cap off.

    Not much to go wrong if you have opened your computer you can open a keyboard like this.

    The USB maybe as it sounds like its intermittent i guess try the Keyboard on another PC if you can and see if the same result occurs

    Otherwise i would get it replaced if it has warranty.

    - - - Updated - - -

    Another thing to try would be search a keyboard tester website and test your keys. Membrane keyboards bank keys onto circuits because it cuts production costs so you can only press a few keys at a time before it locks out more keys being pressed simultaneously depending on how the banks are made its different across models.

    WASD should be able to be pressed with multiple keys at the same time because they know its used in games. You can kind of tell how your keyboard is banked by using something like this too.

    Online Key Rollover Test - Mechanical Keyboard
      My Computer


  7. Posts : 108
    Windows 10 Pro 64-bit (19045.2788)
    Thread Starter
       #7

    I've tried it outside of gaming, actually loaded Windows into advanced options on startup and went into diskpart command and while doing a clean all when finished entered "exit" and the X didn't respond from the first time.

    Also tested it on Notepad by pressing D X only and it's the same issue.

    No warranty I'm afraid.
      My Computer


  8. Posts : 6,393
    Windows 11 Pro - Windows 7 HP - Lubuntu
       #8

    VERX said:
    No warranty I'm afraid.
    How come no warranty, it's brand new?

    If it really doesn't have any warranty, open it and clean the the contacts on the plastic film.
      My Computers


  9. Posts : 108
    Windows 10 Pro 64-bit (19045.2788)
    Thread Starter
       #9

    Megahertz said:
    How come no warranty, it's brand new?

    If it really doesn't have any warranty, open it and clean the the contacts on the plastic film.
    Only a three day warranty (third world warranty).

    The keyboard is pretty clean and I've removed the X key, pictures:





      My Computer


  10. Posts : 6,393
    Windows 11 Pro - Windows 7 HP - Lubuntu
       #10

    A membrane keyboard has, beneath the keys, 4 layers of a plastic film.
    1) A silicon layer with bobbles. It is responsible to act as a spring.
    2) A plastic layer that has circuit tracks.
    3) A plastic layer that has holes. It isolates the 2nd from the 4th
    4) A plastic layer that has circuit tracks.

    When you press a key it pushes the silicon membrane down that presses the upper layer that has circuit tracks and thought the hole of the 3rd layer it contacts the bottom layer that has circuit tracks.

    When I said "open it and clean the the contacts on the plastic film" I meant to remove the screws from the bottom to open the keyboard case. Then you will see the 4 layers of a plastic film.
      My Computers


 

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