Scary washed out display this morning

Discussion in 'MacBook Pro' started by germinator, May 6, 2010.

  1. germinator macrumors regular

    Apr 22, 2009
    I switch between locations. At the office I use an external display. Last night I put the MacBook Pro 15" i7 to sleep, then disconnected the display.

    This morning I woke up the computer at home (without external display), and something very scary happened: The screen was totally washed out and whitish. It's hard to describe, but the display was unusable. I tried turning up and down the luminance controls, and changing color sync profiles: Nothing helped. Put it back to sleep and re-awoke: no change.

    Finally I restarted the computer, and that fixed it.

    This has never happened to me in may years of using a Mac laptop.

    Any ideas?
  2. Jof macrumors regular

    Oct 2, 2008
    Something similar happened to me; the gamma mysteriously switched from 2.2 to 1.8 on my 5,1 MBP making it all washed-out. Happened quite a few times on 10.5.8 but not yet on 10.6.3 for me.

    Maybe something like that?
  3. germinator thread starter macrumors regular

    Apr 22, 2009
    OK. How do I reset the gamma without restarting the computer?
  4. Jof macrumors regular

    Oct 2, 2008
    Normally it just fixes itself the moment I select the Color tab in Display or just click on a profile... But I think you've already done that...

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