New MBP issue? Is my 15.4" 2.4 SR MBP doing something it shouldn't

Discussion in 'MacBook Pro' started by jnyepu, Jun 15, 2007.

  1. jnyepu macrumors member

    Jun 5, 2007
    Dallas, TX
    First Mac in 15 years, so please be patient.

    A few minutes ago, as I am sitting here typing, I stopped to pause and stretch, and rested the base of both my palms just below the vent/speaker areas on either side of the keyboard, kinda near the fn/ctrl buttons on the left and the arrows on the lower right hand corner.

    As I did this, I exerted some pressure, symmetrically, in both these areas. As I did this, I noticed a discernible dimming of the screen that resolved as I eased up on the pressure.

    I am able to intermittently reproduce this with the same action, albeit it is more noticeable at the screen brightness about 50% versus when it's cranked up to full brightness. Sometimes, it is even more prominent if I roll the bases of my palms inward toward the upper margin of the trackpad at the same time.

    Do I need to take this to the Apple Store where I bought it to have it looked at, or is this a known problem with MBPs? I've searched and haven't seen it anywhere else.
  2. iW00t macrumors 68040


    Nov 7, 2006
    Defenders of Apple Guild
    Ambient light sensor.

    It is normal.

    Not a bug, it is a feature!!!
  3. RustyM macrumors regular


    Jun 8, 2004
    LOL! Yes, this is fortunately not one of those undocumented features. :D
  4. crazzyeddie macrumors 68030


    Dec 7, 2002
    Florida, USA
    Haha. This is almost like a gag thread. :p

    You can change the behavior of the ambient light sensor in your Displays panel in the System Preferences.
  5. jnyepu thread starter macrumors member

    Jun 5, 2007
    Dallas, TX
    Ooops. Guess I didn't realize my hands were that close to the sensors:p

    File under "stupid noobie questions 101".

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