Anyone else get black junk on their aluminum by bottom right?

Discussion in 'MacBook Pro' started by xMBPx, Jul 20, 2011.

  1. xMBPx macrumors regular

    Dec 29, 2010
    I've had this issue with both my black macbook and my aluminum macbook pro. Over a couple weeks, black junk gathers up on the bottom right edge of my mac. It's on the front side to the right of my trackpad, where I normally rest my hand while using the trackpad.

    Just wondering if anyone else has this issue, what it is, and how to stop it from happening? :confused:

  2. xMBPx thread starter macrumors regular

    Dec 29, 2010
  3. Nermal Moderator


    Staff Member

    Dec 7, 2002
    New Zealand
    I haven't figured out what that is either, but it's good to know that it's not just me!
  4. wankey macrumors 6502a

    Aug 24, 2005
    It's tarnishing due to acid from you hand's sweat and unavoidable. If it happens fast Apple usually replaces the entire casing for you.

    Mine started getting tarnished about a week or so after I bought my MBP (2 years ago) and I promptly complainted to Apple.

    They replaced my case no questions asked, and it's been 2 years. The tarnishing has come back slightly but they must've added something new.
  5. hehe299792458 macrumors 6502a


    Dec 13, 2008
    For me, diligent wiping with wet cloth has been able to prevent any stains.

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