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SOLVED: Where are the diagnostic LEDs on the iMac mid-2011 27" EMC 2429? - iMac mid-2011 27" EMC 2429 (2.7GHz i5) - iFixit
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SOLVED: Where are the diagnostic led's on this model's logic board - iMac Intel 21.5" EMC 2389 - iFixit
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27" 2020 iMac graphics issues & kerne… - Apple Community
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SOLVED: Where are the diagnostic LEDs on the iMac mid-2011 27" EMC 2429? - iMac mid-2011 27" EMC 2429 (2.7GHz i5) - iFixit
Where are the diagnostic LEDs located on a 27" iMac (late 2009, 3.06GHz)? | MacRumors Forums
Where are the diagnostic LEDs located on a 27" iMac (late 2009, 3.06GHz)? | MacRumors Forums
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