Running hot - lid up or down ?

Discussion in 'MacBook Pro' started by The Mercurian, Jul 2, 2012.

  1. The Mercurian macrumors 68000

    Mar 17, 2012
    So I'm doing a bit of number crunching on my MBP. IT will be running an running hot over a couple of days.
    Is it better to do this with the screen open as in normal use, or with the screen down and an external monitor attached ?

    Does it make a difference to the fan performance ? I don't want the thing powering off due to an overheat.
    If its closed does the heat affected the screen ? I mean it gets quite hot in specific places. THat cant' be good for a screen, can it ?
  2. Aodhan macrumors regular

    Jun 16, 2012
    I run mine all the time closed, including for gaming. Stays nice and cool. Cooler than my 2009 MBP. I also use mine in a BookArc, but I don't believe that makes any difference in cooling, I was getting the same temperatures before I got the BookArc and it was just sitting on my desk.
  3. The Mercurian thread starter macrumors 68000

    Mar 17, 2012
    Yeah I do sometimes use mine closed and that fine. But I will be doing heavy duty math on it where it will be running at 100% for several days. At 100% the top left corner gets very hot to touch and I was worried that could damage the screen over 3 or 4 days of 100% running.

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