audio line-in port not working

Discussion in 'MacBook' started by mrorange216, Dec 6, 2009.

  1. mrorange216 macrumors newbie

    Feb 6, 2008
    I very confused about my line in port. I'm trying to hook my macbook up to my 4 channel PA using a 1/8" input jack, im using garageband, but I get no response. the driver is switched to built in line in port but still nothing. I find that when I unplug it a little bit, the computer picks up the sound but there is a strange fuzz sound that accompanies it.

    so basically, the input does not work when I plug it in all the way. any ideas?? I know it worked before, perhaps I blew the input?
  2. fluffyx macrumors 6502

    Oct 25, 2007
    Is this a white MacBook or a silver MacBook?

    If it's a silver machine, run to the Apple Store Genius Bar with your audio hardware and see if the other computers in the store have the same problem.

    If it's a white machine, perhaps some more troubleshooting is in order.

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