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Apple Computing Products:
macOS - Desktop Hardware
2009 iMac 27" fluttering display brightness
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<blockquote data-quote="jbmag45" data-source="post: 1261329" data-attributes="member: 145213"><p>I assume this is a 2009 model having purchased it in February 2010. I am mostly confident this is an LED display. I am running the latest OSX and bootcamp with Windows 7 64-bit. It flutters on both OS. I have tried apple's forum, with no remedy. I had hoped software updates would fix this, whether in the form of OS updates, or boot camp updates, to no avail.</p><p></p><p>The condition is an intermittent and erratic change in the brightness setting, even when set at the highest levels, the display will step even brighter than what I can manually select as maximum. I say step, because it looks like a digital operation that is software related, and not hardware. It seems to be an issue of keeping the brightness setting stable.</p><p></p><p>Anyone else experience this?</p></blockquote><p></p>
[QUOTE="jbmag45, post: 1261329, member: 145213"] I assume this is a 2009 model having purchased it in February 2010. I am mostly confident this is an LED display. I am running the latest OSX and bootcamp with Windows 7 64-bit. It flutters on both OS. I have tried apple's forum, with no remedy. I had hoped software updates would fix this, whether in the form of OS updates, or boot camp updates, to no avail. The condition is an intermittent and erratic change in the brightness setting, even when set at the highest levels, the display will step even brighter than what I can manually select as maximum. I say step, because it looks like a digital operation that is software related, and not hardware. It seems to be an issue of keeping the brightness setting stable. Anyone else experience this? [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
2009 iMac 27" fluttering display brightness
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