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  1. #1
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    logitech k120 keyboard not working

    Im new here

    My new usb keyboard is not working , but my ps/2 mouse works. I can't use my ps/2 keyboards because the ps/2 is damaged. It stops working at the loading screen. It works fine before it( I can access BIOS) and I go to the desktop fine( I don't need a password). It tells me to install , but when I do ..... it can't install. When I'm able to get to the BIOS the legacy usb keyboard is enabled .

    Note : I don't have the windows CD ROM with me and I can't access safe mode because it gets stuck at a certain point.
    Last edited by PcUser716; July 17th, 2010 at 12:41 AM.

  2. #2
    Millwright stroyal's Avatar
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    Welcome to TechIMO!

    What happens, if you unplug it while the computer is running, and plug it into another USB port?
    Are there any alarms, in device manager?
    Hard Sayin Not Knowin

  3. #3
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    If I unplug it then plug it back in it still wouldn't work and I tried all usb ports. What do mean by alarms? Unless you mean it found a new hardware in the taskbar and it shows the icon and there's a yellow flag in the device manager.

    oh and thanks
    Last edited by PcUser716; July 17th, 2010 at 03:47 PM.

  4. #4
    Millwright stroyal's Avatar
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    Yes, the yellow flag in device manager.
    What is the alarm for?

    If it is the keyboard, or USB controller, uninstall it, and restart the computer.
    Hard Sayin Not Knowin

  5. #5
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    I did what you said it still wouldn't work at/after the loading screen then I tried to install still can't do it. It says it can't find necessary hardware.

    Back when my ps/2 was less damaged I think it stop working at the loading screen , but since it was damaged sightly I had to wiggle it around after the loading screen and it would work.
    Last edited by PcUser716; July 17th, 2010 at 04:13 PM.

  6. #6
    Millwright stroyal's Avatar
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    What was the alarm?
    Did it go away?
    Hard Sayin Not Knowin

  7. #7
    Millwright stroyal's Avatar
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    What operating system?
    Does anything else work in those USB ports?
    Hard Sayin Not Knowin

  8. #8
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    I think I got you, me, or both confused. The yellow flag was a yellow ! mark beside a big question yellow mark where it said "USB keyboard" my mistake. Unless thats it. I'm pretty sure it would still be there.

    I forgot mention I need the keyboard to press F8 to go to debugging mode so I can get pass the login screen if not then it freezes there. If that somehow cause this keyboard problem . If not then I guess this problem( freeze at the login screen) doesn't matter.

  9. #9
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    hold on I check

  10. #10
    Millwright stroyal's Avatar
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    Quote Originally Posted by PcUser716 View Post
    I think I got you, me, or both confused. The yellow flag was a yellow ! mark beside a big question yellow mark where it said "USB keyboard" my mistake. Unless thats it. I'm pretty sure it would still be there.
    Is this in device manager?
    Hard Sayin Not Knowin

  11. #11
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    microsoft windows xp pro version 2002 serivce pack 3
    I think so I really don't have any to check besides my ps3 controller. Tried that can't install.

    And yes its in device manager
    Last edited by PcUser716; July 17th, 2010 at 04:44 PM.

  12. #12
    Millwright stroyal's Avatar
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    Just a few more thoughts
    The legacy setting is only, so the USB keyboard, can run from the BIOS.
    Once the computer starts, Windows takes over.
    It is needed for DOS also.

    What happens, if you boot the computer without the USB keyboard plugged in, then plug it in after Windows starts?

    Windows has all the drivers for the keyboard, even though you may have software, with the new keyboard

    Are there any alarms next to the USB controllers, in Device Manager?
    Hard Sayin Not Knowin

  13. #13
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    ok I try that

    Not; whats a DOS

  14. #14
    Millwright stroyal's Avatar
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    You must be young, "Disk Operating System".
    It is what made Bill Gates a billionaire.

    It is what operated all Microsoft operating systems, until XP and NT.
    Last edited by stroyal; July 17th, 2010 at 05:16 PM.
    Hard Sayin Not Knowin

  15. #15
    Millwright stroyal's Avatar
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    One other thought, try disabling the PS2 keyboard, in device manager.

    I don't think it is the keyboard, because it works at start up, but try it on another computer to be sure.
    Hard Sayin Not Knowin

  16. #16
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    Yes I'm 15 years old and a little ignorant with PCs . And thanks for telling me.
    Last edited by PcUser716; July 17th, 2010 at 05:15 PM.

  17. #17
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    It worked on my other PC. I just to had simiply install it on the other one.

  18. #18
    Millwright stroyal's Avatar
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    Quote Originally Posted by PcUser716 View Post
    It worked on my other PC. I just to had simiply install it on the other one.

    That's the way it should be.
    I've never seen a keyboard, that needed any additional driver, unless it has extra buttons.
    Even then, the standard parts work, without additional drivers.
    Hard Sayin Not Knowin

  19. #19
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    It still wont work on the one I'm trying to do.

  20. #20
    Millwright stroyal's Avatar
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    Did you disable the PS2 keyboard in device manager,?
    Is there one showing in Device Manager?

    edit;

    You never said, if there are any alarms, in Device Manager, next to the USB controllers or if there are any others, and what they are next to.
    Last edited by stroyal; July 17th, 2010 at 06:34 PM.
    Hard Sayin Not Knowin

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