Question about Dell Latitude D600 Notebook

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Serial keyboard I'm still lost! I have a couple of generic old keyboards - which don't require any special drivers when you plug them into PS2 ports. I think the appropriate keyboard driver is on the machine, but it doesn't know to use it with the serial port. I saw something on the Microsoft site saying that for NT the drivers add registry entries associating the keyboard with a port, but I couldn't find an example for XP. To get this done I would need more explicit instructions.

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  • p_kies Jan 26, 2009

    I gave up and got the port replicator back. Finding drivers for the com port and an old keyboard was next to impossible without knowing exactly where to look for them. The bulk of the drivers I could find on the net were for newer PCs, newer keyboards or different equipment entirely. I guess it's all about selling new equipment and nobody cares about making laptops compatible with old peripheral devices. Without a PS2 port on the back, you either have to buy the port replicator or a USB or wireless keyboard. FYI, the original question was posted at

  • p_kies Jan 26, 2009

    Yeah - I have the same connector, PS2 to serial - which I've similarly employed with an optical trackball. But keyboard is somehow a different issue; hook it up and the machine doesn't even recognize that new hardware is attached.

  • Randall  Trahan
    Randall Trahan May 11, 2010

    p_kies: Here is the official MSN keyboard troubleshooting technique. As you can see all hardware devices need a driver. Also, with the low cost of keyboards you may want to measure if this is worth your time against buying a new keyboard.
    The keyboard is not functioning

    loadTOCNode(2, 'moreinformation');

    If the keyboard is not functioning, make sure that it is connected correctly to the computer. Check all the keyboard's plugs (PS/2 and USB) to make sure that there are no loose connections.

    If an adapter (USB to PS/2 or PS/2 to AT) is being used, verify that it is the adapter that came with the keyboard or that the keyboard supports adapting to a different port. For example, the Internet Keyboard does not adapt to a USB port, and a PS/2 to USB adapter will not work. It does not include an adapter.

    If the issue continues to occur, connect the keyboard to a different computer. If the keyboard functions correctly on a different computer, the port to which the keyboard was connected on the original computer may be damaged. If this is the case, contact your computer manufacturer to inquire about how to repair or replace the damaged port.

    If the keyboard does not function correctly on another computer, the keyboard may be defective. If this is the case, and the warranty on the keyboard is still valid, you can exchange the defective keyboard for a new keyboard.

    To remove and then reinstall the driver, follow these steps:

    1. Disconnect the device from the computer.
    2. Turn off the power for the device, if the device has a separate power supply.
    3. Open Device Manager.

      Note If your device is not listed, this means that the device was removed automatically when you disconnected the device. Continue to the next step.
    4. Restart the computer.
    5. Turn the power back on for the device, if you have to, and then plug the device into the computer. Your computer detects the device, and then reinstalls the drivers for the device.
    To download the latest drivers for the keyboard that you are using, visit the following Microsoft hardware Web site: To change your port connection:

    1. Shut down your computer, and then plug your device into the correct port.
    2. Make sure that the plug is pushed securely into the connector on the computer.
    3. Restart your computer. Microsoft Windows detects the change, and then installs the drivers on the new port automatically.



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  • 520 Answers

Have you tried just plugging keyboard have usually 2 ext ports one for ext keyboard and one for mouse you can also use usb keyboard/mouse.
if you have a problem with existing keyboard have you tried the on screen keyboard....start,all programs,accessories,accessability,on screen keyboard..when u say serial port do u mean the com port..
for com port you have to assign keyboard and you will need drivers cos not recognised as plug and play

Posted on Jan 26, 2009

  • tat4u
    tat4u Jan 26, 2009

    even though I have ps2 mouse I use a usb track ball cos its much faster and easier to can get a serial to ps2 connector Ive got one somewhere.dont even know where or why I got it ..maybe it came with some hardware I got yrs ago.

  • tat4u
    tat4u Jan 26, 2009

    keyboards wont work via serial to ps2 I think thet were only designed for mouse and ext cables...its a long time ago since a dealt with serials and parrallel ports but if I remember correctly

    serial was for direct imput for shell ext and parrallel could program better but needed software.I used a interface via serial to program my cards for satellite you could also crack sky with a interface card(plugs into sky like regular card but links upto pc)

    you could also top up dead telephone cards,not that I did,,mmm



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