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Thread: Fingerprint Reader Not Working

  1. #11
    Join Date
    Oct 2011
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    74

    Re: Fingerprint Reader Not Working

    Code:
    {.vid = ELAN_VEND_ID, .pid = 0x0c4f, .driver_data = ELAN_ALL_DEV}
    I had actually already removed this line, but that was all I could think of to undo. I'll try the rest.

    Thank you.

  2. #12
    Join Date
    Mar 2010
    Location
    USA
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    Ubuntu Development Release

    Re: Fingerprint Reader Not Working

    For Gnome above version 3.38:
    https://itsfoss.com/fingerprint-login-ubuntu/

    Ubuntu 20.04 is Gnome Version 3.36...

    "Concurrent coexistence of Windows, Linux and UNIX..." || Ubuntu user # 33563, Linux user # 533637
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  3. #13
    Join Date
    Oct 2011
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    74

    Re: Fingerprint Reader Not Working

    Thanks. I checked that out before resorting to this forum. Does not apply to me.

    Oh, is your point that I need to upgrade my OS?
    Last edited by cobras; March 6th, 2022 at 02:41 AM.

  4. #14
    Join Date
    Oct 2011
    Beans
    74

    Re: Fingerprint Reader Not Working

    Quote Originally Posted by 1fallen View Post
    That all looks ok, and there is nothing newly related installed there.
    You'll want to undo some of what you did.
    Now it gets fun:
    Code:
    cd libfprint && git checkout v1.90.5 && cd ..
    Code:
    sudo nano libfprint/libfprint/drivers/elan.h
    I'm assuming it's in your home directory, any way remove this line:
    Code:
    {.vid = ELAN_VEND_ID, .pid = 0x0c4f, .driver_data = ELAN_ALL_DEV}
    the line below it should read:
    Code:
    {.vid = 0, .pid = 0, .driver_data = 0}
    Reinstall: >(Providing it was there on your initial install)
    Code:
    sudo apt install fprintd libfprint-2-2
    And I'm not sure why you need this now so:
    Code:
    sudo apt remove --autoremove gtk-doc-tools
    The rest of what I could see from your link isn't going to hurt your system so Ill leave that for you to decide.
    I've taken these steps and my system is a bit more stable. But now when I try to add a fingerprint there's a message that the fingerprint device is disconnected. Worse, on boot up I'm prompted for my password but only for a couple of seconds before it starts up without it.

  5. #15
    Join Date
    Oct 2011
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    74

    Re: Fingerprint Reader Not Working

    Code:
    sudo apt-get install --reinstall ubuntu-desktop
    Will this command get me back to square one without loosing all my data?

  6. #16
    Join Date
    Aug 2016
    Location
    Wandering
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    Distro
    Xubuntu Development Release

    Re: Fingerprint Reader Not Working

    Sorry I kind of forgot you, but to answer it's worth a shot.
    With realization of one's own potential and self-confidence in one's ability, one can build a better world.
    Dalai Lama>>
    Code Tags | System-info | Forum Guide lines | Arch Linux, Debian Unstable, FreeBSD

  7. #17
    Join Date
    Oct 2011
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    74

    Re: Fingerprint Reader Not Working

    No, that didn't do it. But I think I figured out why I'm logging in without having to login; the fingerprint reader is not working so my machine is using facial recognition to verify it's me.

  8. #18
    Join Date
    Oct 2011
    Beans
    74

    Re: Fingerprint Reader Not Working

    So I tried upgrading to Ubuntu 21 thinking I'd get a fresh start.

    Ubuntu 21 won't let me log in. Does not recognize my password and will not let me reset the password through the root shell.

    Guess I'll stick to Windows. Thanks for all the help.

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