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MacのノートPC — iBook, PowerBook, MacBook, MacBook Pro, MacBook Airの修理マニュアルです。

Removing Keyboard Protector Imprint from Screen

I have an A1466 model (But I guess this can be relevant to any laptop in general),that has has a keyboard protector imprint or stain remaining on the display, the previous owner has obviously never taken off the KB cover when closing the display. I have tried rubbing it with screen cleaner & ISP but it is still there, Is there any reliable method to remove this that anyone has tried with some success? My guess is that it has left a permanent marking on the anti-glare coatings :( A reason why I never personally used them.

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@danj Do you have any suggestions for this as I have tried just about everything I consider 'safe' to do so but without any luck.

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@livfe - Sadly the silicone oil within the keyboard protector has leached out staining the glass. You'll need to use a specialized cleaner to try to remove it Caulk Remover, Silicone Caulk Remover is your best bet, test what ever you get on a test screen as some also dissolve the coatings as well.

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Yes that is what I also thought, to strong a cleaner will affect the coating even more.... It is not to bad but noticeable when the screen is off...

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Keyboard protector imprints on screens usually happen when the lid is closed with pressure, causing the protector pattern to transfer onto the display. In most cases, it’s just residue or oil and can be removed safely.

Try these steps:

Turn off the laptop and unplug it

This prevents damage and makes smudges easier to see.

Use a microfiber cloth first

Gently wipe the screen in circular motions. Many imprints are just oil marks and come off easily.

If the imprint remains, use a slightly damp cloth

Use distilled water or a screen-safe cleaner

Lightly dampen the microfiber cloth (never spray directly on the screen)

Wipe gently without pressing hard

For stubborn marks

Use a small amount of 70% isopropyl alcohol on the cloth and wipe lightly. This helps remove oily residue left by silicone keyboard covers.

Important Tips:

Do not use paper towels, tissues, or harsh chemicals (like glass cleaner with ammonia).

Avoid pressing hard—this can damage the display.

If the mark does not fade at all, it may be a permanent

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@suwaidionline - It's best to be supportive to the answer not duplicate it and if you read the question Iivfe has already tried the steps you posted. Best to score the answer when you see it repeats what you where thinking or it the next logical step. If you know of any other way please do posted as there maybe a second way!

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livfe さん、ありがとうございました!
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