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Where are the diagnostic LEDs located on a 27" iMac (late 2009, 3.06GHz)? | MacRumors Forums
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SOLVED: What are the 5 diagnostic LEDs? - iMac Intel 21.5" Retina 4K Display (2017) - iFixit
Diagnostic LEDs - Apple iMac 20 inch - Mac Specialist
iMac No power hardware troubleshooting using Diagnostic LEDs - YouTube
2019 iMac. Diagnostic LED 2 = on, LED 1 = off?! : r/applehelp
2008 imac shutdown and not rested after l… - Apple Community
hardware - Retina iMac not powering up after upgrades, one diagnostic LED - Ask Different
Placa de retroiluminación LCD A1312 probada, V267 E02 HF para iMac, 27 ", A1312, LED, inversor de retroiluminación, año 2009, 4H + V2676.231 01/04|Fuentes de alimentación externas para ordenador portátil| - AliExpress
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iMac INTEL won't power up - iMac Intel 27" EMC 2429 - iFixit
SOLVED: Won't power up and only 1 diagnostic LED - iMac Intel 27" EMC 2429 - iFixit
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27inch iMac (late 2013) Diagnostic LED 1 flickers then off, already tried a new psu(AliExpress). Any ideas? do I try logic board next? : r/LukeMianiYouTube
Tutorial para diagnosticar tu Mac en casa: iMac
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iMac Mid-2010 Video issues? - Apple Community
SOLVED: Where are the diagnostic LEDs on the iMac mid-2011 27" EMC 2429? - iMac mid-2011 27" EMC 2429 (2.7GHz i5) - iFixit
Diagnostic LEDs - Apple iMac 20 inch - Mac Specialist
