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Thread: Strange sticky keys issue

  1. #1
    Join Date
    May 2005
    Beans
    11

    Strange sticky keys issue

    I've been having a weird issue with the keyboard and/or certain keys on my new Gazelle laptop. This exhibits in the following fashion:

    In a browser, I press ctrl-fn-down to switch tabs. Rather than just switching to one tab per one down key click, it quickly flashes through many tabs and only stops when I let go of all the keys. I then only need to press the ctrl key to make the browser switch through all the tabs. Pressing a bunch of other keys makes it stop.

    This doesn't happen every time, only some of the time. But it also happens for application switching with alt-tab and other key combinations.

    This laptop is less than a week old. Nothing has been spilled on the keyboard.

    Thanks for the help!

  2. #2
    Join Date
    Oct 2007
    Location
    Aurora, CO
    Beans
    2,545
    Distro
    Ubuntu

    Re: Strange sticky keys issue

    Quote Originally Posted by kingbanditjing View Post
    I've been having a weird issue with the keyboard and/or certain keys on my new Gazelle laptop. This exhibits in the following fashion:

    In a browser, I press ctrl-fn-down to switch tabs. Rather than just switching to one tab per one down key click, it quickly flashes through many tabs and only stops when I let go of all the keys. I then only need to press the ctrl key to make the browser switch through all the tabs. Pressing a bunch of other keys makes it stop.

    This doesn't happen every time, only some of the time. But it also happens for application switching with alt-tab and other key combinations.

    This laptop is less than a week old. Nothing has been spilled on the keyboard.

    Thanks for the help!
    Does the key physically stick down, or does it pop up afterwards?
    Ian Santopietro - System76 Technical Support.
    Open a Support Ticket!
    Ask a Sales Question!

  3. #3
    Join Date
    May 2005
    Beans
    11

    Re: Strange sticky keys issue

    It doesn't physically stick, only effectively does a pagedown continue to be triggered, regardless of the application switched to.

    Further encounters with this bug looks like it's mainly (or only) with the page down functionality.

  4. #4
    Join Date
    May 2005
    Beans
    11

    Re: Strange sticky keys issue

    After messing with this more it's actually easily replicable. One out of every three or four presses of ctrl-fn-up or ctrl-fn-down will result in the page up or page down key remaining.

    This exhibits in two ways, further presses of ctrl-fn by themselves will trigger the next tab functionality in browsers and terminals (the issue exhibits across applications). Also, the tab brought to focus will be paged up/down immediately with no additional keys pressed.

    Let me know any other questions, thanks!

    Update: Just pressing fn-up or fn-down will occasionally cause the page up/down to stick. The up/down keys do not stick by themselves however, only when in conjunction with the fn key.
    Last edited by kingbanditjing; December 11th, 2012 at 08:13 AM.

  5. #5
    Join Date
    Oct 2007
    Location
    Aurora, CO
    Beans
    2,545
    Distro
    Ubuntu

    Re: Strange sticky keys issue

    Does it happen if you run Ubuntu from a Live Disk? If so, then you likely have a BIOS or hardware problem, and we'd need to bring it in.

    If not, then a reinstall would have it fixed in less than 20 minutes.
    Ian Santopietro - System76 Technical Support.
    Open a Support Ticket!
    Ask a Sales Question!

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