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Apple Desktops Discussion of Apple's desktop machines including Mac Pro, iMac, Power Mac, and mini

iMac - Intel iMac brightness/power management problem


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iBook2007

 
Member Since: Jun 22, 2007
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Hello,

I have a problem with my iMac which I hope to address. My machine is an Intel based the entry level iMac 1.86GHz Core Duo system with OS X Leopard 10.5.5 installed. This problem has been present every since I had ordered the used machine, and installing various update seems to have did nothing to address the issue. The problem occurs when ever I schedule the Mac to shutdown/restart. After I turn it back own, the screen’s brightness is turned all the way down, and I have to manually adjust screen’s brightness to its original settings.

Is this a know issue with iMacs, and if so is there any way to fix this problem? Thank you.
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chscag

 
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Read the following Apple KB article. Try the procedure given in the article and let us know.

Regards.
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