How Clean Dust inside LCD Panel
Recently I noticed a small shadows inside my iMac screen,
I tried to search for a solution, but all I can find is the cleaning process for non-unibody iMacs (before 2012 models).
Is there anyway to clean it?
Given the age of your system I would bring it back to Apple as this would be covered under warranty.
The display cover glass is now a sealed with the LCD panel (thin series) all one unit, unlike the older iMac's. They are not designed to be taken apart and in doing so you run the risk of breaking it!
Here's the IFIXIT guide on taking the display off but even still you would need a new one to replace yours. iMac Intel 27" EMC 2639 Display Replacement. As you can see even this is a big job.
Hello all, I’m starting to get the same issue with dust inside my iMac 27” (Late 2013) screen. I found this video on YouTube which shows you how to separate the LCD from the glass to remove the dust. https://www.youtube.com/watch?v=WE6Vm1yx... Unfortunately it doesn’t go into the finer details of what goes where but might be a good place to start if you want to try and clean it yourselves. Maybe someone can make a newer tutorial based on this one?
How did it come out?
My 14 month old 27" new model has it on bottom left and right corner just like my older iMac 24" model have had the screen pop out easily. I'm paying 190$ for the work. Why would they make it sealed if someone wanted to get in and work on it. Maybe the previous models were too easy! Still this seems to be an issue with iMacs 2 for 2 for me...
Ultrafine dust gets into the backlight layers - no dust can go under the glass and lcd as they’re laminated, but it gets in between the lcd and backlight sheets.
Ultrafine dust gets just behind the glass, so the sealing is definitely not perfect. I needed to take out the glass, like many others with this exact model, and clean the dust. I haven’t sealed back the glass perfectly, but I haven’t had anymore issues since then (2016).
I have dust AND an insect between the glass and LCD panel on a 27" Late-2013 iMac which was gifted to me.
I have already upgraded the CPU in it to an Intel i7-4771, but held off re-gluing the display panel back on prior to evaluating the stability of the system with a much higher powered CPU than it originally shipped to me with.
The cooling solution is actually inadequate for the beefier CPU when it runs for a significant time, despite maxing out the fans, it still throttles way down.
I will probably have another go to get rid of this beastie:
and the dust:
Both are absolutely beneath the glass and above the LCD.
Front glass and lcd panel layer are fused together with optically clear adhesive. Bug could crawl between the glass layer of the lcd and the first layer of the backlight.
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