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Comment by asteli | Hacker News Reader

When I had a non-unibody Macbook Pro, I would actually doodle with a dry-erase marker directly onto my (glass) screen. This was handy for making small annotations as I was pondering designs, PCB layouts, etc.

Unfortunately for my screen-doodling habit, new MacBooks have some kind of coating (AR? Oleophobic?) that causes the marker's fluid to bead up, ruining the effect.

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Cliff Stoll (the Cuckoo's Egg / Klein bottle guy) used to write on his CRT screen too -- obviously a long time ago when I saw it.

> Unfortunately for my screen-doodling habit, new MacBooks have some kind of coating (AR? Oleophobic?) that causes the marker's fluid to bead up, ruining the effect.

I can confirm, my mid 2014 MBP screen is _ruined_. Tried alcohol, screen wipers (which actually made it worse)

I am this close to using a detergent (I know I shouldn't). Any suggestions?

'Staingate'

Apple is replacing the affected screens for free, I had mine replaced few months back (late 2013, 13" Retnina Macbook Pro).

https://9to5mac.com/2015/10/19/staingate-retina-macbook-scre...

Why is this being downvoted? Is it incorrect? If not it seems useful.

Staingate is a real thing and @achow's comment is correct and is very useful and that's probably what is happening with @component's mbp.

Sadly, yes it is "staingate"

Did a bit more digging and found a site [1] which has a gallery of affected MBP, showing the different levels of "staingate"

[1] http://staingate.org

Not sure why people are downvoting your comment. It's a real issue you are trying to help.

I had mine replaced for free a few months back as well :)

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