MacBook & a lot of YouTube - now sound is going out. WTF?

Discussion in 'MacBook' started by DHart, Feb 21, 2010.

  1. DHart macrumors 6502

    DHart

    Joined:
    Jan 17, 2008
    #1
    MacBook white 13" 2.2 GHz with 4 GB RAM and 250 GB HDD.

    I've been watching a lot of YouTube lately and noticed my fan whirring a lot. A lot of heat under the 1-2-3 keys has caused the white plastic on the underside to yellow a bit (2" diameter) and a little bit of chipping of the white finish (1/2" diameter).

    Computer works fine when cold, but once warmed up, the sound controls become erratic and then there is no sound, but everything else works ok. Turn it off for a while and it's fine again when turned on, but only for a short while.

    Any idea what's wrong?

    If repairs are not cost effective, is there any monetary resale value for such a machine?
     
  2. DHart thread starter macrumors 6502

    DHart

    Joined:
    Jan 17, 2008
    #3
    Thanks. I gave that a try. I also repaired permissions. But hasn't changed things.
     

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