20'' Imac 2.16 Ghz Intel Core - Monitor dimming

Discussion in 'iMac' started by thudlike, Nov 12, 2008.

  1. thudlike macrumors newbie

    Nov 10, 2008
    I have a 2 year old Imac/Intel 20' screen - dual boot via Boot Camp

    Recently, 10-15 seconds after loading up Windows, the monitor drops 10-15% in brightness and remains that way. Also, after an hour or more of sitting idle the screen goes black, and cannot be revived via moues/keyboard action.

    I have no problems with the monitor at all while running as a Mac.

    Any suggestions appreciated

  2. rhkamra macrumors member

    Nov 29, 2007
    Santa Cruz, California
    The bootcamp control panel in windows has a brightness adjust slider, have you tried playing with that? Also I would run apple update and make sure you are running version 2.1

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