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Thread: Stereo Sub Vibration Causing Pc To Reboot!

  1. #1
    Newbie knightmare007's Avatar
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    Stereo Sub Vibration Causing Pc To Reboot!

    i thought it was the hard drive at first, and because of heat on top of that, i decided to get an external drive and move it far far away form the trunk, turns out you cant run vista off a usb drive, so i took the drive apart and its a 2.5 sata drive. so i ran some sata cables and extended the power too.


    now the drive is in the back seat and i hold it in my hand to make sure its not the drive crashing due to the bass vibration, and when i crank a song the pc reboots. i have my pc in my trunk where the spare tire was under the floor. it lays in a regular pc case on its side, on top of carpet cushion stuff for a little added vibration dampening. and i just dont know how the hell im going to stop the virbation from crashing the pc short of remove my amp and subs.

    i have a rockford 800 with 2 12" kicker comp subs. the subs fire up and are above the pc and a little in front of the pc, not directly above it.



    ANY THOUGHTS ON HOW TO SOLVE THIS???

    i have seen other installs with the car pc basically bolted to the: sub box...how the hell is that????
    Thanks, the ubernoob

  2. #2
    Variable Bitrate rijndael's Avatar
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    im not so sure its the vibrations as it is the power. how is your PC set up for power? the cable from the battery goes to where? if you have it inline with the amp, you may be pulling too much power to the amp for your sub and strangling your PC for enough juice.

    i dont know if thats really what the problem is since i dont know how its wired, but that's my guess...
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    Variable Bitrate rijndael's Avatar
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    double post...sorry...not sure what happened
    Trouble deciding on car speakers? Clicky Clicky
    Speakers: DLS Ultimate Iridium 6.3 Link
    Subwoofer: removed
    Amplifier#1 (Front Stage): DLS Ultimate A4
    Amplifier#2 (Sub) removed
    Carputer: Removed for tablet install

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    Fusion Brain Creator 2k1Toaster's Avatar
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    If the harddrive were to be the culprit, it should freeze. For example, in Toshiba notebooks when excessive acceleration in any direction or excessive rapid changes in acceleration (vibration), the harddrive spin down. The computer can function just fine without the hard drive. However if it was in the middle of a read/write cycle, it would freeze or BSOD.

    Power on the other hand, would seem more likely. When a big blast of bass happens it draws more power. Your ### Watt amp will not draw ### watts all the time. It draws more the harder the hit. When a PC gets too low of power, it will freeze, or in extreme cases reboot.

    It really does sound like power.
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    Newbie knightmare007's Avatar
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    Quote Originally Posted by rijndael View Post
    im not so sure its the vibrations as it is the power. how is your PC set up for power? the cable from the battery goes to where? if you have it inline with the amp, you may be pulling too much power to the amp for your sub and strangling your PC for enough juice.

    i dont know if thats really what the problem is since i dont know how its wired, but that's my guess...
    i thought about that, but im running it off a 1 farrad cap, and it has a digital readout of the voltage which even with the bass hitting, stays between 13.3 and 13.7 volts.

    but maybe it is the power, what do you think is the best way to go about fixing it? a 2 farrad cap?

    when it was the hard drive crashing fromt he bass the thing would blue screen or the audio would skipp out and the pc would freeeze, now it just reboots like someone yanked the power, thats why i thought it might be the power as well.
    Thanks, the ubernoob

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    Newbie knightmare007's Avatar
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    Quote Originally Posted by 2k1Toaster View Post




    If the harddrive were to be the culprit, it should freeze. For example, in Toshiba notebooks when excessive acceleration in any direction or excessive rapid changes in acceleration (vibration), the harddrive spin down. The computer can function just fine without the hard drive. However if it was in the middle of a read/write cycle, it would freeze or BSOD.

    Power on the other hand, would seem more likely. When a big blast of bass happens it draws more power. Your ### Watt amp will not draw ### watts all the time. It draws more the harder the hit. When a PC gets too low of power, it will freeze, or in extreme cases reboot.

    It really does sound like power.
    right, i konw it isnt the hd becuase i am holding it away from the bass, i thnk it might be the pc becuase i have no idea how a pc would react to extreme vibration. but i guess if it was that bad it would cuse major damage and not just reboot. so maybe it is the power the more i think about it and with you guys agreeing.

    any thoughts on the easiest remedy other than removing the system?
    Thanks, the ubernoob

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    mst
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    Constant Bitrate mst's Avatar
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    Newbie knightmare007's Avatar
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    thats insane....anything more realistic/cheap?
    Thanks, the ubernoob

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    FLAC DodgeCummins's Avatar
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    #1, maybe you should turn down the volume...I'll bet your neighbors love your choice in music...

    ...since I know you won't do that...

    #2, maybe you have loose wires/parts that are being vibrated loose...like a PCI bumping out of its slot...or a wire shorting something.

    What power supply are you using?

    Opus will go down to about 8 volts until it shuts down...but it does shut down..not simply reboot.

    Are you using an inverter and a standard power supply plugged into it?

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    Newbie knightmare007's Avatar
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    Quote Originally Posted by DodgeCummins View Post
    #1, maybe you should turn down the volume...I'll bet your neighbors love your choice in music...

    ...since I know you won't do that...

    #2, maybe you have loose wires/parts that are being vibrated loose...like a PCI bumping out of its slot...or a wire shorting something.

    What power supply are you using?

    Opus will go down to about 8 volts until it shuts down...but it does shut down..not simply reboot.

    Are you using an inverter and a standard power supply plugged into it?
    maybe i actually drive my car, so my neighbors dont hear it anyway. DUH

    as for the pci coming loose, i got it screwed in pretty tight, and the pc reboots perfectly, and if that were the case, i would think that would cause a permenant failure, as pci cards are not hot swapable. the wires, i highly doubt as they are all tight as well, and again it works perfect after teh reboot, so i think its the power.

    i ordered a 6 farad cap for 73 bucks shipped from ebay, maybe that or a separate cap for the pc will solve the issue.

    i use teh M2 psu. no inverters.
    Thanks, the ubernoob

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