2017 iMAC screen black - Repair Questions https://northridgefix.com/forum/repair/2017-imac-screen-black/ NorthridgeFix Discussion Board en-US Thu, 15 Oct 2026 02:22:47 +0000 wpForo 60 2017 iMAC screen black https://northridgefix.com/forum/repair/2017-imac-screen-black/#post-1793 Tue, 20 Feb 2024 21:35:08 +0000 Hi,

I have an 2017 imac 21 with a black screen. Have tried to troubleshoot it with the logic board LEDs and I have 3 solid green ON but the one for display is Off. what troubleshooting steps I should take to find out if the issue is the display? I have connected it to an external display, but that is not working either. 

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