No Display/Video Output (Unlit 4th Diagnositic Light)
Hi all,
I was looking for some help to see anyone could point me in the right direction.
My iMac 2011, 27” currently has no display output both with the internal LCD display or through an external monitor. I've also tested a second LCD display with no luck.
The 4th diagnositic light isn't on when the display is connected, but the other 3 are. The device boots with the chime and is accessible via SSH. When the display is fully disconnected the device will boot with the fans maxed out but doesn't do this if it is connected (not sure if this helps).
I have also tested multiple video cards, I'm confident this isn't at fault either.
If anyone could help I'd be extremely grateful, cheers!
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