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Thread: Carputer help

  1. #1
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    Carputer help

    I recently bought a 2003 Tahoe Z71 about 3 days ago. The previous owner has a carputer installed. It was working fine the first couple of days and I was getting ready to upload some music onto it. Then, I try to turn it on and the screen just goes to a yellow and white striped screen and won't do anything else. I don't know if it's because I got impatient trying to shut it down with the touch screen and just flipped the toggle switch or what is wrong with it. Any suggestions? I am also not very good with computers. At least as far as working on them. So if it's something in the computer itself is there a way, if I got it out, to take it to a computer repair shop and let them fix it. Thanks. And sorry if I posted this in the wrong forum.

  2. #2
    Neither darque nor pervert DarquePervert's Avatar
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    Without knowing anything about the PC, how it's wired, the PSU used and the specific hardware involved, it's difficult to troubleshoot at all.

    You said you attempted to turn the PC on. How did you attempt to turn it on?
    Did you turn on the vehicle's ignition or is there a power switch?

    That's a start...
    Have you looked in the FAQ yet?
    How about the Wiki?



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  3. #3
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    I honestly don't know much at all except, it runs off of dc power from the cigarette lighter, it has windows xp, and centrafuse. But, I have the link to the build thread from the previous owner. Maybe, you guys can get all of the info from it.

    http://www.fullsizechevy.com/showthr...S-and-carputer

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    Quote Originally Posted by DarquePervert View Post
    Without knowing anything about the PC, how it's wired, the PSU used and the specific hardware involved, it's difficult to troubleshoot at all.

    You said you attempted to turn the PC on. How did you attempt to turn it on?
    Did you turn on the vehicle's ignition or is there a power switch?

    That's a start...
    oh and it is powered on and off by a toggle switch in the center console.

  5. #5
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    The link does not work.
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  6. #6
    Neither darque nor pervert DarquePervert's Avatar
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    Quote Originally Posted by jd123 View Post
    I honestly don't know much at all except, it runs off of dc power from the cigarette lighter, it has windows xp, and centrafuse. But, I have the link to the build thread from the previous owner. Maybe, you guys can get all of the info from it.

    http://www.fullsizechevy.com/showthr...S-and-carputer
    Maybe you should think to ask the installer about it?
    That thread has a lot of great details about fabrication (which is very impressive!), but very little about the hardware.

    The PSU appears to be an Opus 150w unit, but I could be wrong.
    You can find the manual for this unit here.

    It takes constant ~12v from the battery and switched ~12v from somewhere. When the ignition is turned on, the switched ~12v is hot, and that triggers the PSU to start the computer, just like pressing the power button on your desktop PC.
    When the ignition is turned off, the power switch is pressed again, and the PSU triggers shutdown of the PC, again, just like pressing the power button on your desktop.
    There is a setting in Windows that dictates exactly what windows does when the power button is pressed (full shut down, hibernate or sleep)


    Quote Originally Posted by jd123 View Post
    oh and it is powered on and off by a toggle switch in the center console.
    The toggle switch is probably wired to a constant ~12v source, so when the switch is ON, the line is hot, triggering bootup. When the switch is off, the line is dead and the PSU triggers shutdown.

    The toggle switch may be used in conjunction with a switched line or in place of a switched line. If used in conjunction, it acts as a "valet switch".

    So if the PC isn't booting up, you're going to need to start disassembling and doing some troubleshooting.

    Welcome to our madness.


    Quote Originally Posted by drewbp View Post
    The link does not work.
    It works just fine for me.
    Have you looked in the FAQ yet?
    How about the Wiki?



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  7. #7
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    Haha. Well, thanks for the input. But, being as I have no knowledge what so ever as to working on a computer. I think I'm just stuck. But, I do have a local computer repair guy who told me if I could get the console apart he would take a look at it and run diagnostics. He seems pretty sure he can fix it. So I'll cross my fingers.

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