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ralphthemagi

macrumors regular
Original poster
Mar 9, 2012
131
114
Hi all,

I got a new 27" LG UltraFine 5K Display (27MD5KL) and I've noticed these strange faint vertical lines mainly in the center of the display. It's almost as if I can see the lines of pixels. I didn't notice it at the store, but I also wasn't looking at it straight on. When viewed from an angle above they don't appear.

It seems to be worse with a 100% white background, but I notice it with some other colors as well. It's worst in the center 80% of the displays and seems to disappear when you get near the edge.

I didn't think I'd be able to take a picture of it, but I could.
0qwjVce.jpg


Connected to a 2016 MBP, but seems to appear with other inputs as well.

Is this normal, or some kind of defective backlighting?
 
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