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Thread: Synaptic Touchpad showing up as a PS/2 Device.

  1. #11
    Join Date
    Nov 2007
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    9

    Re: Synaptic Touchpad showing up as a PS/2 Device.

    bump

  2. #12
    Join Date
    Jan 2008
    Beans
    16
    Distro
    Ubuntu 7.10 Gutsy Gibbon

    Re: Synaptic Touchpad showing up as a PS/2 Device.

    Did anyone else here upgrade from earlier versions of Ubuntu, or were these all clean installs? Anyone else try running it off a LiveCD?

  3. #13
    Join Date
    Nov 2007
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    9

    Re: Synaptic Touchpad showing up as a PS/2 Device.

    2.6.36 kernel recognizes touchpad same as 2.6.35 =(

  4. #14
    Join Date
    May 2010
    Location
    Kenya
    Beans
    22
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: Synaptic Touchpad showing up as a PS/2 Device.

    Doesn't work at all

  5. #15
    Join Date
    Mar 2008
    Location
    Canton, OH
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    12
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: Synaptic Touchpad showing up as a PS/2 Device.

    Used to be all you had to do was edit the xorg.conf file, however this file no longer exists in 10.04. All you had to do to change it was just add 2 letters to PS/2 (IMPS/2) which usually enabled the scroll part of the trackpads. (Used to do it all the time in VMWare), however with 10.04, this is no longer the case. Anyone have a suggestion? Developers??
    -- Orion
    ===============================================
    There are only 3 constants in the Universe...Life, Death, and the Unknown...
    ===============================================

  6. #16
    Join Date
    Jan 2010
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    65 AD
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    304
    Distro
    Ubuntu Development Release

    Re: Synaptic Touchpad showing up as a PS/2 Device.

    On 10.10 I created a seperate touchpad configuration using xorg.conf which nullified the original configuration so that may work. Orion you can create an xorg.conf file by using this command:
    Code:
    sudo X :1 -configure
    If you get an error that X server is already active just change ":1" to a different number like ":2" or ":3".
    This will create xorg.conf.new in your personal folder. Then to edit it:
    Code:
    sudo gedit ~/xorg.conf.new
    or from alt/f2 run application prompt
    Code:
    gksudo gedit xorg.conf.new
    To the "ServerLayout" section add this line:
    Code:
    InputDevice    "Touchpad" "CorePointer"
    Then create another "InputDevice" section. Make sure in this section that the identifier is the same as the input device in the "ServerLayout" section, ie if 'Touchpad' had a capital T there it must have a capital T here.
    Code:
    Section "InputDevice"
        Driver        "synaptics"
        Identifier    "Touchpad"
    EndSection
    Save this as xorg.conf and move it to the folder /etc/X11 then reboot or restart X.
    If it register's your touchpad it should assign the synaptics driver to it, allowing you to use the synaptics configurations.

  7. #17
    Join Date
    Feb 2008
    Beans
    75

    Re: Synaptic Touchpad showing up as a PS/2 Device.

    Finally a good soul came up with a patch for the problem (at least on my Dell V13):

    https://bugs.launchpad.net/ubuntu/+s...cs/+bug/380126

    See the posts of Marcin and Lars Fehrs.

    It is a little bit tricky - it requires compiling the kernel - but it worked fine for me.

  8. #18
    Join Date
    Jan 2010
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    65 AD
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    Distro
    Ubuntu Development Release

    Re: Synaptic Touchpad showing up as a PS/2 Device.

    Check to see if your touchpad is detected as such. If so then one of these commands should give the output of ID_INPUT_TOUCHPAD=1.
    Code:
    udevadm info -q all -n input/mouse0 | grep ID_INPUT
    udevadm info -q all -n input/mouse1 | grep ID_INPUT
    udevadm info -q all -n input/mouse2 | grep ID_INPUT
    If you check all your input devices and none of them are detected as touchpads then try my fix here:
    http://ubuntuforums.org/showpost.php?p=10333651&postcount=43

    Please take note that the name of the touchpad used in the example is "PS/2 Generic Mouse". If your touchpad has a different name then you should use it instead.

    Please let me know the results, good or bad.
    Last edited by pi/roman; January 9th, 2011 at 05:01 AM.

  9. #19
    Join Date
    Nov 2009
    Location
    Vero Beach, FL
    Beans
    54
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: Synaptic Touchpad showing up as a PS/2 Device.

    pi/roman, I tried the solution you linked to and it took away all recognition of the device. I undid the changes and got it back...I see you said it may need to be tweaked, and it may just be that I'm not adept enough to follow directions or tweak it.

    Also, re: compiling the kernel/fix from the bug report, I'm apparently not smart enough to make it work, I will have to wait for an easier fix.
    Last edited by quik_lives; February 6th, 2011 at 10:07 PM. Reason: added
    Learning new things every day.

  10. #20
    Join Date
    Aug 2009
    Location
    Burnaby, British Columbia
    Beans
    38
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: Synaptic Touchpad showing up as a PS/2 Device.

    found this link

    but i have no idea how to

    1. Patch src/drivers/input/mouse/alps.c

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