Mouse problem on Toshiba Tecra 9000 when battery powered

From: JRH (john.nntp_at_yore20dale04.uklinux.net)
Date: 09/09/04

  • Next message: James Knott: "Getting Kwifimanager to work" 
    Date: Thu, 09 Sep 2004 07:37:06 +0100

    Hello

    I have a problem with a the external PS2 mouse and built-in pointer device.
    Both work properly on AC power. But when on battery power, both behave
    totally erratically and are unusable. The cursor doesn't move at first but
    then jumps around unpredictably, and menus open even though I haven't
    clicked a button. Switching on the AC power again usually restores
    normality, but the mouse buttons may not work properly, eg left click acts
    like right click.

    A further strange feature is that if I have a USB mouse plugged in instead
    of PS2, that works, and so does the built-in pointer.

    Running Mandrake Linux 10.0 with all current security and bug fix updates
    applied. (It installed almost perfectly straight off - only difficulty was
    that the graphics card was not set up properly - manually selecting vesa
    driver worked around that.)

    Bahviour in Win98 SE almost identical, so may not be a linux-specific
    problem.

    The PC is refurbished 2nd-hand, bought a week ago. Everything else seems to
    work, at least as far as I have hardware to test it.

    Any ideas?

    ...John 

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