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Thread: Laptop won't startup at ignition with carnetix

  1. #1
    Low Bitrate hypnotiq's Avatar
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    Laptop won't startup at ignition with carnetix

    I have a dell 600m hooked up to a carnetix, but the laptop won't turn on when i turn on my car. I can turn on the laptop by pressing the power button though after the carnetix is loaded even without the battery in.

    I know the ignition isn't the problem since i am just using a 12v source as the ignition.

    Any idea what's going on?

    Thanks

  2. #2
    Maximum Bitrate v8 scimitar's Avatar
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    have you connected the laptop power button to the power supply propery?
    Visit my site V8 Scimitar

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  3. #3
    Low Bitrate hypnotiq's Avatar
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    Sorry for my ignorance, but how do i do that?

    The primary output for the carnetix is connected to the barrel connector for the laptop (ie. the ground and power for that connector). The secondary output is connected to the screen.

  4. #4
    Maximum Bitrate v8 scimitar's Avatar
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    Ah, well in short you need to open the laptop solder wires onto the switch and bring them outside the case. There wires get connected to the startup-shutdown controller.
    For more detailed you best get searching as there are loads of posts on this subject.
    Visit my site V8 Scimitar

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  5. #5
    Low Bitrate hypnotiq's Avatar
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    I can search on that, but it was to my understand that this wasn't needed for carnetix p1900?

  6. #6
    Neither darque nor pervert DarquePervert's Avatar
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    Quote Originally Posted by hypnotiq View Post
    I can search on that, but it was to my understand that this wasn't needed for carnetix p1900?
    That's what the green/whie wire is for.

    I don't know where you got that little piece of information, but it is incorrect. The Carnetix has to simulate a press of the power button in order to initiate bootup.
    Have you looked in the FAQ yet?
    How about the Wiki?



    Under normal circumstances, a signature would go here.

  7. #7
    Low Bitrate hypnotiq's Avatar
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    Hey,

    Can anyone confirm is the following post is true?

    Quote Originally Posted by Curiosity View Post
    The common tactile pushbuttons have 4 pins. The 2 on each side are connected together, so you need to solder a wire to either pin on each side.
    Thanks

  8. #8
    Raw Wave shotgunefx's Avatar
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    If you don't feel like cracking open the laptop, I'd get a port replicator and hack that (or maybe the monitor stand to boot)

    I have an inspiron 8600, which IIRC, uses the same dock/port stuff (double check). I paid I think around $45 for the port replicator (D/Port APR) and a monitor stand on ebay.

    They are cheap and tons of them on ebay. I got the monitor stand for two reasons. One, two protect the laptop from crap rolling around my trunk, and two, it was so easy to remove the little power button board and short it out (on the inspiron 8600, this makes it boot when power is applied, you'd want to use the wires provided to pulse it, I used power management to shut it down when it loses "AC").

    Here's a pic of the monitor stand and dock.

  9. #9
    Low Bitrate hypnotiq's Avatar
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    I don't mind opening up the laptop, i actually already have just have. I just don't know what to solder since my button has 4 pins.

  10. #10
    Variable Bitrate Nerd2's Avatar
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    Just keep poking at it with a screwdriver until it turns on, then you've found the correct 2 pins to wire to.

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