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Thread: Touchpad is detecting my middle "floating" finger

  1. #1
    Join Date
    Feb 2019
    Beans
    2

    Touchpad is detecting my middle "floating" finger

    Hi,

    I read a lot about how to set up your touchap properly but I can't manage mine to work the way I want. What's happening is: when I move my pointer around and that my middle finger is to close to my forefinger, it is detected by the trackpad (even if it is not touching it) and that mess things up (jumping pointer and random stuffs). I tweaked my touchpad settings (playing with xinput --set-prop 13 "Synaptics Finger" mostly) but I can't make any difference. I use a DELL Latitude E7440 and have the lastest Ubuntu release installed.

    Cheers !

  2. #2
    Join Date
    Feb 2019
    Location
    Montevideo
    Beans
    14
    Distro
    Ubuntu 18.04 Bionic Beaver

    Re: Touchpad is detecting my middle "floating" finger

    I use the same laptop, my advice is to use the touch in minimun sensibility.

  3. #3
    Join Date
    Feb 2019
    Beans
    2

    Re: Touchpad is detecting my middle "floating" finger

    Hi, thanks for the reply but setting the sensitivity to minimum does not help. Same thing happens but at some point my trackpad is not working anymore (except if I press the sh*t out of it).

  4. #4
    Join Date
    Dec 2006
    Location
    Hamburg, Germany
    Beans
    167
    Distro
    Lubuntu 20.04 Focal Fossa

    Re: Touchpad is detecting my middle "floating" finger

    Maybe extremely late: can you check the BIOS version by sudo dmidecode -s bios-version?
    Check this version with the most recent one on Dell site. I know from a lot of posts of E7440 that BIOS upgrade fixed most of Touch/TrackPad issues.
    Dell Latitude E7440 (since Apr 2020), CPU: Intel Core i7-4600U, 2 cores, 4 threads; HDD: /dev/sda Samsung, /dev/sdb DogFish (mSATA 256 GB SSD each); RAM: 16GB Samsung DDR3L-1600; Graphics: Intel HD 4400

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