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Thread: Car-Puter wont turn on anymore

  1. #1
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    Car-Puter wont turn on anymore

    Wondering if you guys can help? If the hard drive went bad, would it not turn on at all? The power supply fuse is not blown and has 12 volts on both sides of it. The processor fan is the only thing that comes on... the back fan is not on. If I switch the connectors, the back fan comes on. The monitor shows "no signal". The mouse optical does not turn on. The LED on the front panel does not come on.

    I would like to upgrade to a solid state, but hate the price for how little memory you get. Am I just too noob to know that will still kick ***?? I have a 160gb Toshiba right now, what would be a good cheap upgrade?

    I just dont want to make the wrong choice with repairing this unit. It controls my turbo computer on my car and I would greatly appreciate everyone/ anyones help. Please take it easy on me with lingo and negativity. i am learning and we all have to start somewhere right? I have been searching around and talked with Mo-Co-So, but they seem too busy to offer help. They basically gave me one word answes to my emails, so i must ask the experts now.

    Thanks for your help guys!





  2. #2
    Low Bitrate agentq's Avatar
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    Your computer would boot(post) regardless if the hard drive died. I would start with plugging in a standard computer power supply vs your automotive one just to see if the board boots up and posts. If it boots using a different power supply then its probably a problem with you automotive power supply. If not then possible motherboard failure.

  3. #3
    MySQL Error soundman98's Avatar
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    i replied in your other thread.

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    Quote Originally Posted by soundman98 View Post
    i replied in your other thread.
    Thanks for the info. Thought my thread was lost, turns out I'm just a noob lol.

    Quote Originally Posted by agentq View Post
    Your computer would boot(post) regardless if the hard drive died. I would start with plugging in a standard computer power supply vs your automotive one just to see if the board boots up and posts. If it boots using a different power supply then its probably a problem with you automotive power supply. If not then possible motherboard failure.
    So I did exactly what you suggested and the computer fired up. I took the computer out of the car and opened it up. Hooked up the laptop charger to it and it booted. So I installed Windows XP pro and updated all the drivers. I thought it would be a good convenience feature to permanently add the AC jack to the front panel. I noticed the jack has the red and white wires to the same spot and then the ground in a different spot. To eliminate the possibilty of back feeding the voltage to the ignition wire in my car DC connector, I put a switch on the red wire so it would only have connection when I wanted it to.

    Well, I think it may have screwed something up. I disconnected the jack completely and put the computer back to the way it was. Now it will turn the fans on and the LED turns on, but nothing will come up on the screen. I tried a different monitor and still nothing. Does this meant the hard drive is toast now? I was thinking about finding a really cheap one to throw in there to confirm, but thought it would be better to ask here first.

    ANY help is very greatly appreciated!

  5. #5
    Low Bitrate agentq's Avatar
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    First off I dont know why you keep jumping to the hard drive being bad. Also how did you go about hooking up a laptop charger to the board in the picture? I think you would need to post some clear pictures of what you modified on the board.

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    Quote Originally Posted by agentq View Post
    First off I dont know why you keep jumping to the hard drive being bad. Also how did you go about hooking up a laptop charger to the board in the picture? I think you would need to post some clear pictures of what you modified on the board.
    The hard drive was always in question because of the environment it has been used in. Its not a solid state like I should have got in the first place. My car has a stiff suspension and I drive it daily on jacked up roads. When I talked to mo-co-so, that was their first guess too (with out mentioning anything other than the symptoms ).

    The charger was connected with the supplied Jack. It came with the computer and specified what voltage and amp range it was compatible with. So the pic shows before I made thatjack a permanent home. The Jack has 3 wires: red white and black. They were spliced into the power supply mating black to black, white to white and red to a switch and from the switch to red on power supply. This would keep the voltage from back feeding to the car ignition wire.

    After Googling the problem, a few people have mentioned this issue being the ram. I don't have any extra to swap out, but its worth a try when I get one. Also need to try replacing the little watch battery in there too.

    Any SUGGESTIONS are appreciated.

  7. #7
    Low Bitrate agentq's Avatar
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    Quote Originally Posted by signature View Post
    The hard drive was always in question because of the environment it has been used in. Its not a solid state like I should have got in the first place. My car has a stiff suspension and I drive it daily on jacked up roads. When I talked to mo-co-so, that was their first guess too (with out mentioning anything other than the symptoms ).

    The charger was connected with the supplied Jack. It came with the computer and specified what voltage and amp range it was compatible with. So the pic shows before I made thatjack a permanent home. The Jack has 3 wires: red white and black. They were spliced into the power supply mating black to black, white to white and red to a switch and from the switch to red on power supply. This would keep the voltage from back feeding to the car ignition wire.

    After Googling the problem, a few people have mentioned this issue being the ram. I don't have any extra to swap out, but its worth a try when I get one. Also need to try replacing the little watch battery in there too.

    Any SUGGESTIONS are appreciated.
    Vibration is never good for a platter drive, but many people here use them including myself and have had no problems. (I do use a ssd for OS and platter drive for storage)

    A bad hard drive still does not fit your computers problems. Does your computer beep when you power it on? Try unplugging everything usb, hard drive, optical, etc and see if the board then posts. Try removing the ram and reseating it back in. Try running it with just one stick of ram if you have 2. Try the ram in a different slot. Make sure your not leaving off like a 12v rail from the power supply if your board requires it.

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