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Thread: Lost keyboard function PS2

  1. #1
    Join Date
    May 2002
    Traverse City

    Lost keyboard function PS2

    I was testing some keyboards that were donated and had decided that they were non working. I went back to my regular keyboard and now it isn't working either! It doesn't show up on device manager either. Is this fixable?

  2. #2
    I'm going to assume you used PS/2 keyboards. Here are several things you might want to know:

    1) Unlike USB keyboards, PS/2 keyboards are NOT hot-swappable. You can't just plug in one onto a working computer and expect it to work right then and there - you need to switch the computer off, plug in (or plug out) your keyboard, and turn the computer back on.

    2) If you plugged/unplugged the keyboard while the computer was powered, there is about 10% chance that the keyboard will work right off the bat, without the computer being power cycled. In most cases, keyboard will not run and will appear dead (and that's the least of your worries).

    3) While we're at plugging keyboards onto a working PC, keep in mind that plugging anything onto a powered and running PC, other than audio cables and USB is a great way to release the magic blue smoke.

    Edit: If some of the keyboards you were tesing had something shorted out in the circuitry, it could have damaged your computer's mainboard. Does your keyboard work before Windows loads; i.e. can you enter BIOS setup? Do you have a spare USB keyboard lying around you could try?

    Edit2: Can you try your original keyboard on a different PC? Do ANY keboards work with your computer right now?
    Last edited by kiosk; 07-05-2010 at 07:51 PM.

  3. #3
    Join Date
    May 2002
    Traverse City
    I never hot swap anything PS2 always turn off the pc first. The pc works with a USB keyboard but not the PS2. Am I stuck buying a new USB keyboard or is there a repair for this? With this USB keyboard, would I be able to do a repair/install or won't USB be recognized at that point? I can choose del, esc, etc when the pc is booting up with the USB KB.

  4. #4
    If your "known-good" PS/2 keyboard doesn't work during POST and you can't enter setup with it, then you either have a faulty keyboard or a damaged PS/2 port.

    Someone might chime in with other ideas, but personally I think you should invest in a good USB keyboard.

  5. #5
    Join Date
    Jan 2010
    Vancouver, BC
    USB is a faster keyboard also.................
    Win10/HAF X/CM 1000W gold/Z77X-UD5H/OC'ed 3770k @4.5GHz/32g G Skill/OC'ed GTX780 @1063MHz-6608MHz/850EVO256g/Vertex3 120g/WD 500 Blk/3 x WD 1T Blk
    Win10/CM Centurion/650W/Z77X-UD3H/OC'ed 2500k @ 4.1GHz/16g Kingston Hyper X/HD6870/HyperXFury SSD 120g/WD 500 Blk/WD 1T Blk
    UBUNTU 15/ AMD @3.2ghz/ GTX460 1g/ 8g Kingston 1600/ 2 x 500g HDD
    doesn't keep me up nights, no siree

  6. #6
    Join Date
    Oct 2001
    N of the S of Ireland
    You could get a ps2 to usb adapter maybe
    from your favourite retailer.
    Take nice care of yourselves - Paul - ♪ -
    Help to start using BiNG. Some stuff about Boot CDs & Data Recovery Basics & Back-up using Knoppix.

  7. #7
    Join Date
    Jan 2007
    Try a BIOS reset

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