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Video / Windows XP

Discussion in 'Security Alarms' started by Bob La Londe, Apr 12, 2006.

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  1. Bob La Londe

    Bob La Londe Guest

    I have a customer who purchased 3 no name XP box DVRs. He has been paying
    my be the hour to get everything working, so I don't mind too much. Anyway,
    I still have one problem with them I can't seem to find a work around for.

    He has one monitor, keyboard, and mouse going through a switch box for all
    three units. The two that are just sitting there humming away while you are
    viewing the third will eventually lose communications with the mouse. When
    you switch back to those units the keyboard and monitor work fine, but the
    mouse just sits there.

    Is there a way to tell Windows to continue to look for signals from the
    mouse ad infinitum? (PS2 Mouse) I know, I know... the easy solution is to
    install three mice, but he doesn't want that. Actually he will be viewing
    these units remotely more often than locally, but I would like to try and
    have a solution for the problem when it arises, or better yet before it

    The Security Consultant
    Bob La Londe - Owner
    849 S Ave C
    Yuma, Az 85364

    (928)782-9765 ofc
    (928)782-7873 fax
  2. Doug L

    Doug L Guest

    I use a Belkin KVM device to switch between two PS2 computers and the
    device simulates a mouse/keyboard on the inactive machine so everything
    works correctly when you switch back and forth and also allows the machines
    to boot without keyboard/mouse errors, Belkin also has similar devices for
    using four computers with one mouse/monitor/keyboard, you could check with
    them to see if it works the same way

    Doug L
  3. thesatguy

    thesatguy Guest

    I use a couple of the older Belkin units to switch between four computers
    and that mouse problem is common. It seems to be cold solder joints on the
    wires coming to the mouse outputs from the buttons on the front..
    I used to simply swap the wires and suddenly the mouse would work again -
    this is one time it really wasn't a windows problem.

    The only solution was to replace the belkin unit or get out the soldering
    iron and go to work and it ONLY affected the mouse outputs. The Belkin unit
    I had allowed you to use either new or old mouses so I had two mouses
    plugged in and usually one would work.
  4. Bob La Londe

    Bob La Londe Guest

    OK. I ordered in a couple KVM switches to try. They are a bit more
    expensive than other switches aren't they? Well, if it works. I told the
    customer yesterday what he was upto so far for costs on having me setup his
    systems, and he didn't baulk too much.

    *** ***
  5. Matt Ion

    Matt Ion Guest

    A proper active KVM switch IS more expensive than a simple switchbox,
    because it contains electronics that generate mouse and keyboard
    "presence" signals to the computers that aren't in use. This also
    allows you to start or restart those computers without being switched to

    One thing to consider is that the KVM should also be able to handle your
    monitor bandidth, especially if you're running any of the systems at
    higher resolutions or refresh rates; remember, it's not just a set of
    physical contacts anymore, but a set of signal buffers that the video
    has to pass through. Also be sure to use quality shielded VGA cables
    (if your KVM doesn't have them built-in); the cheap ones will cause

    I got a killer deal on a 4-port "EUSSO" KVM for CDN$100 a couple years
    ago, because it was a disconinued unit, but anything over a basic 2-port
    WILL tend to be fairly expensive.

    avast! Antivirus: Outbound message clean.
    Virus Database (VPS): 0615-2, 04/12/2006
    Tested on: 4/13/2006 10:31:37 AM
    avast! - copyright (c) 1988-2005 ALWIL Software.
  6. Bob La Londe

    Bob La Londe Guest

    I considered that, of course then I would have to had to get a different
    switch which ultimately I did. LOL>

    Bob La Londe - Webmaster

    Tornament Director

    *** ***
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