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Thread: Computer Keeps Restarting

  1. #1
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    May 2009
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    Computer Keeps Restarting

    Hi,

    I was wondering if anyone has experienced or has come up with a solution with a problem i am having, I have set up my car pc and it runs fine most of the time how ever when i turn up my volume pretty loud with base my computer Restarts.

    At first i assumed there was to much vibrations and as i was using a old Laptop HD it the bumps and vibrations from the sub was causing it so i removed the HD and installed a CF card and am running Windows from that.

    How ever the problem is still happening and i don't really know what it is, ill keep trouble shooting and if any one has any ideas or solution please share with me id be glad to hear.

    Facts that might help:
    My Car PC is mounted on top of the SUB
    i have 2 amps connected in my car 1x 666 Watts and 1x 222 Watts
    ......
    i think thats all i can think of for now :P

    Thanks for your time hope to hear from you guys soon.

  2. #2
    Variable Bitrate
    Join Date
    Jan 2006
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    348
    More info needed about your hardware. How are you powering your computer? What type of power supply are you using and how is it connected?

    There could be a number of reasons. Here's one possibility: as you turn the volume up, your amps will be pulling more power from the battery. Assuming you're using an ordinary car (read: nothing too old but nothing very new either) with a standard battery, your amps will be sucking enough juice to drop the voltage of the battery (perhaps only momentarily) to a level where the laptop can't function. Computers need a stable source of power and the fluctuation caused by the amps could be your problem. But this is only speculation at this stage ...

  3. #3
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    Thanks for the reply i am using a ordinary car hyundai accent/excel (depending where you live :P) with 2 sony xplod amps one 222watts and one 666watts i have my amps and PC wired from the battery in to a 3 way distribution block then each way to each of the hardware.

    The PC is a Voom PC intel atom with a M2 ATX power supply.

    Today as i was driving it reset as i drove over a pot hole so I'm assuming it might have been the impact from the sub as my PC is sitting directly above the amp how ever i thought it was OK to have vibrations and movements with a CF card could it be that ram or something else is moving i guess i will keep trying to figure out :P thanks for the help so far hope to hear more

  4. #4
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    Was your volume turned up pretty loud when you hit the pothole?

    Now that you've mentioned the pothole incident, I'd suggest you check all your power connections. A faulty ground connection is just as bad as a faulty 12v+ connection. Check all the car PC components and make sure they're all making good contact. The RAM sticks might be loose so take them out, clean the RAM slots and put them back in.

  5. #5
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    May 2009
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    No it was as loud as usual when it messes up thanks for the advice i will try all that in the morning.

    Also would a fault - Wire cause this even when the car isn't moving with the sub on loud because that's what happens.

  6. #6
    Variable Bitrate
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    Jan 2006
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    If the wire is a power wire for the car PC, it can move out of place with vibrations.

  7. #7
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    May 2009
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    I found out what it was a faulty wire inside my case the negative wire on the wiring harness was faulty and as i pulled the wires out i 4got 2 unplug the PC and short circuit something ;( RIP my Car PC lol oh well we learn with our mistakes i know to pay more attention next time serves me right.

    Now i was wondering how do you know what you have shorted out im not short if i short circuit the M2 ATX or the actual motherboard or both if anyone can share some info would be glad to hear it because im not letting this from stopping me having a perfect car pc system :P

  8. #8
    Variable Bitrate
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    Jan 2006
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    Aww that's a shame. Hopefully we can try to resurrect your system.

    Which negative wire was faulty? The one from the M2-ATX? What did you do to make it short-circuit? Did you notice any burning smell or did something make a noise?

    Check your cabling and fuses and try turning it on again. If nothing works, test car PC inside your house with a normal AC computer power supply.

    Also, another quick tip: try to type in full sentences sentences (i.e. use full stops/periods and commas), it's sometimes hard to follow what you're saying if it's all written in one spiel without breaks in between

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