Question about Logitech Pro 2400 Cordless Mouse

2 Answers

Some keys on Logitech Pro 2400 keyboard do not

The specific keys that don't work on my keyboard are:
2, Q, O, ], F, H, K, ;, Left shift key, on the number pad 7, 8, 9

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  • Rich Muth Mar 01, 2009

    The problem was solved by taking the keyboard case apart, wiping down the keypad and CAREFULLY reseating the membrane! ALL keys now work properly!!



    Thanks!!!

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2 Answers

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  • Logitech Master
  • 13,433 Answers

Has the keyboard got wet? try another usb port?

the buttons or the controller inside may have a problem, new keyboard is quite cheap, if the problem is only limited to this keyboard I would suggest considering a new keyboard.

Posted on Mar 01, 2009

  • Ekse Mar 01, 2009

    You need to take the keyboard apart.

    inspect the keypad below the buttons you have flat flex cable like board that has the keys on it. Inspect it and see if that has a problem, if the keys look ok then the problem is most likely on the controller.

    The controller is the small board the flex is connected to.

  • Ekse Mar 01, 2009

    If certain keys are not touching the flex board below the keys, they wont function as electricity is not passed on from the key.

    taking the keyboard carefully apart and inspecting the boards and rebuilding it may solve the problem incase some buttons are not working properly.

    if that doesn't solve the problem the issue is most likely on the control board or something is cut on the flex cable like board below the keys.

    if you want to fix this keyboard I think you would need to get your hands on a same model keyboard and take parts out of it.

    But this is not really a good repair as a new keyboard doesn't cost much, and the time spend and money in repairing this is not really worth it.

    Test the keyboard on another computer also.

    Thats all,
    Thanks,
    Ekse


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  • Master
  • 19,396 Answers

You need to take apart the casing and replace the keypad.

Posted on Mar 01, 2009

  • Ginko
    Ginko Mar 01, 2009

    The problem is caused by an hardware fault. Typically one of the wires inside the connection cable that has lost contact with the board inside the keyboard, or a group of keys that has lost contact with the surface below.

    To fix such a problem you would need to take apart the casing and check the contact to the wiring cable, and the contacts below the keys.

    Normally this kind of problems on this device are considered beyond repair.




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