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Heya, I’m the guy who put this together. Let me know if you have any questions about it! I’ve had the setup for about a month now and absolutely love it.


Great work!

How is the panel? Do you have any uniformity issues? In total, I've tried 7 units of LG 5K UltraFine (27MD5KA-B and 27MD5KL-B). All had [1] uneven brightness (visible on white background) and backlight bleed. Some of the units also exhibited tinting and/or faint vertical lines. I couldn't swallow these issues for the price that I've paid. Now I'm with Dell U2720Q, but I miss the high PPI of the 5K.

[1] https://imgur.com/a/oVN3kTc#FGOzspK


Jesus that's terrible. I'd expect that from a cheap monitor but not from a $1,500 monitor.


The genius part about this is your two "monitors" look the same. This is literally a significant part of why I've never purchased an iMac. Now you've given me an idea...

Frustratingly this was a native iMac feature "Target Display Mode" in 2009-2014 but they dropped it from the 5K model: https://applerepairstation.co.uk/Technical%20Desk/use-your-i...


Target Display kind of sucked in that you needed a fully functional installation of MacOS running the entire time too. It’s nice that the feature was there of course, but I never found it pleasant to use.


Oh that’s silly. Would have been nice to be firmware level.


You're describing the Cinema display


The problem is the Cinema Display doesn’t look identical to the iMac. I like have monitor symmetry, but there was (maybe until the M1’s mini) a gulf in hardware between the iMacs and Minis. Especially the pros.


Great work!

Can you link to the supplier of the driver board?

How did you go about determining the board was ok to plug into a shinny new panel?

My previous experiences with Aliexpress where a bit hit and miss. Either with issues of using obvious counterfeit parts or batch quality issues (order 100 and 70 are OK, etc.).


The supplier was great! I think I received it within a week of ordering (which considering I'm in the UK and it was coming from mainland China is pretty impressive). Here's a link to the exact part and supplier I used: https://www.aliexpress.com/item/4001192011831.html?spm=a2g0s...


would you be able to link to the panel you bought off ebay?


Does your display have glass in front of the panel? For some reason I find myself touching the glass surface of the 5K iMac a lot, which I probably shouldn't do to a bare panel.




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