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Thread: 3 months of fiddling around and NOTHING!!HELPP!!!

  1. #11
    Newbie outdidya's Avatar
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    Quote Originally Posted by CdRsKuLL
    if its fine when the laptop is running on battery but buzz buzz when running on inverter ?.. then its your inverter ! Make sure its a sign wave inverter not square, square wave will cause massive interferance and also wont to your laptop much good. No means of ground loop and other such devices will help as your putting in dirty power to the laptop.

    CdR
    how do i tell the difference and what adapter i got? Mine is a rectagle shape like this

    http://store.yahoo.com/laptoppartsno...wfdusrz06.html

    what is this sign wave you speak of? at this point , i am ready to try anything. i also noticed i get noise from the monitor, i think it has something to do with my car, cause my car is just one big ground loop on wheels. theres grounding points every 10 inch like.

  2. #12
    Jesus Freak antimatter's Avatar
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    Okay first of all, smack some sense back into yourself and chill out.

    Secondly what do you mean by "everything is connected thru the center console". More directly are you connecting your laptop through the Ciggarete lighter. Ifso DONT. Wire that sucker directly to the batter with a fuse.

    If a GLI (ground loop isolator) doesn't work then it is probably not a bad ground loop. Your power lines are probably filthy. I get mad crazy noise when i run anything through the ciggaret lighter. You need to power all of you componants directly wired to the battery. Make sure that the power cable to you laptop doesn't cross any of the cars wiring and if it does then cross it at a 90 degree angle.

    Also you need to isolate what componant is causing the noise. Is it the amp? is it the carputer? is it the lilliput? try different test to see what componant is noisy.
    -Jesus- King of Kings Lord of Lords

  3. #13
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    i have the same thing. get this. if i take my hand and SHOVE them inthe GOb of wires that are behind my screen and wiggle side to side the noise dies. but later it comes back. i think i have to ground the inverter better.
    When in doubt, moo at things.

  4. #14
    Newbie outdidya's Avatar
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    Quote Originally Posted by antimatter
    Okay first of all, smack some sense back into yourself and chill out.

    Secondly what do you mean by "everything is connected thru the center console". More directly are you connecting your laptop through the Ciggarete lighter. Ifso DONT. Wire that sucker directly to the batter with a fuse.

    If a GLI (ground loop isolator) doesn't work then it is probably not a bad ground loop. Your power lines are probably filthy. I get mad crazy noise when i run anything through the ciggaret lighter. You need to power all of you componants directly wired to the battery. Make sure that the power cable to you laptop doesn't cross any of the cars wiring and if it does then cross it at a 90 degree angle.

    Also you need to isolate what componant is causing the noise. Is it the amp? is it the carputer? is it the lilliput? try different test to see what componant is noisy.


    okay , whoooosaahhhh,breath breath , okay

    they are connected off a power source under the radio that is suppose to be for some option that i dont have in my car.( like incar phone or something) I connected the adapter and egg from the lilliput directly to this wire.

    basically all thats makin the noise is the lilliput and the adapter for the laptop. I think if i isolate those 2 things then i would be a lot better. i grounded the laptop and it gets rid of a part of the whine, and then all that is left is a really low whine, no longer a buzz but just sounds like really low pitch beep or something

    i just got the soundcard for great sound , and the sound is actually pretty good , but the buzzzing oh my buzzzing going crazziii

  5. #15
    Jesus Freak antimatter's Avatar
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    Like i said you friggen guy GO DIRECTLY TO THE BATTERY
    -Jesus- King of Kings Lord of Lords

  6. #16
    Newbie outdidya's Avatar
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    hmm , well i guess al the time i put in this ****, i might as well try that ****. How would i go about doing this? i mean , if i connect it to the battery, wouldnt it be on all the time? and just drain my battery life? am i forgeting something ?

  7. #17
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    Don't get discouraged

    outdidya, I was running into the same problem with whine/buzz noises. It drove me crazy for about two days until I promised myself to find this problem. I felt like I spent 1000 bux on a noise maker instead of a car computer. i did not want to spend anymore money on the project until i found out for sure what was causing the noise. If you have not done so, start removing each component until you find the culprit. Start with the computer. replace the computer with a portable Cd or MP3 player. If it is still making noises, run other RCA cable straight to your amp or head unit. If you still are getting noise check your aux inputs or you amp inputs. Get the idea. Isolate the problem and then fix. It does take some patience and some nights in the garage scratching your head but it is all worth it when you have access to all your mp3, or found a faster route in a city that you grew up in for the last 26 years.

    The problem in my situation was that I had 3 loose connections. 1 was a wire harness on back of my HU from an AUX-BOX and 2 were from T-connecters that I nevered used before so i did not know how much force it needed to make a solid connection. Once I found the bad connections, all the noise was GONE, not a bit of whine or buzz from the system! It is also good to step away from the car and come back to it another time.

    Good luck.
    Albert

  8. #18
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    That is how I found my noise problem. Turned out to be a loose connection.

  9. #19
    Jesus Freak antimatter's Avatar
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    Hmmm i see your delima. You will have to do some custom wiring that may involve a relay becasue you don't want it on all of the time or you can do what some people did with laptops and wire the power button to an accessable place.

    One guy rigged it with a bycical brake cable hahahaha
    -Jesus- King of Kings Lord of Lords

  10. #20
    Maximum Bitrate
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    I had the same problem when I installed my first car stereo, turned out to be amplifier noise. You got an amp? If so, it is possibly the cause.

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