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Stained Imac !

redhatcode29

redhatcode29

macrumors 6502
Original poster
Jul 21, 2014
471
52
Kuala Lumpur
Guys i just obtained this 21.5" iMac and i have been trying to rid the stains with a damp cloth, even tried some of the solution wihich is used to clean the LCD... But its stubborn.... Looks like water based paint but its not i guess... Thought of using thinner but wasnt sure.... Its like ingrown, cant even scratch it off ! Any bright ideas ?

...

Wth
 

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Last edited:
Wow. Looks like whatever splashed onto it may have eaten away at the aluminum coating. If so you'll never be able to get those spots out.

I'm no expert but this is definitely a possibility.
 
redheeler said:
Wow. Looks like whatever splashed onto it may have eaten away at the aluminum coating. If so you'll never be able to get those spots out.

I'm no expert but this is definitely a possibility.
Click to expand...

Hi, that was what i was afraid of, that it coating was eaten... Suprisingly, whatever spalshed on it, did not eat up the lcd glass coating....its not visible on the lcd until a very close look is given....i guess the owner quickly wiped of the glass as soon as it was splashed....
 
Any ideas of what it could be?

I never saw anything like that.
 
redhatcode29 said:
Guys i just obtained this Mac and i have been trying to rid the stains with a damp cloth, even tried some of the solution wihich is used to clean the LCD... But its stubborn.... Looks like water based paint but its not i guess... Thought of using thinner but wasnt sure.... Its like ingrown, cant even scratch it off ! Any bright ideas ?

...

Wth
Click to expand...

Ouch.

Let us know if you need anything!

Weston
Slickwraps
 
phpmaven said:
Rubbing alcohol is my favorite cleaning agent. If that won't remove it, then it's not coming off.
Click to expand...

True..... I am just too cautious on as to use even alcohol....fearing that it might create a much worse situation..... A bottle of scotch is harmless right !!
 
redhatcode29 said:
True..... I am just too cautious on as to use even alcohol....fearing that it might create a much worse situation..... A bottle of scotch is harmless right !!
Click to expand...

I've been using rubbing alcohol on my computers and keyboards and mice etc... for years with no harm. The only place where I wouldn't use it would be on an iPad/iPhone screen where it could possibly affect the oleophobic coating.
 
phpmaven said:
Rubbing alcohol is my favorite cleaning agent. If that won't remove it, then it's not coming off.
Click to expand...

That looks like when I snort/coughed when drinking coffee. I use disposable alcohol infused microfiber wipes on my iMac. It works well on organics that have dried on a surface.

Edit: I just re-read the OP and he has that it looks "ingrown", that does sound like the metal has been eaten away.
 
I had very similar looking marks on mine. Couldn't scratch or rub them off. But, a little isopropyl and a microfiber cloth worked fine
 
JustMartin said:
I had very similar looking marks on mine. Couldn't scratch or rub them off. But, a little isopropyl and a microfiber cloth worked fine
Click to expand...

Hey...that sounds promising.... Isoprop huh ! Will see if i can get some of it...thx

----------
phpmaven said:
I've been using rubbing alcohol on my computers and keyboards and mice etc... for years with no harm. The only place where I wouldn't use it would be on an iPad/iPhone screen where it could possibly affect the oleophobic coating.
Click to expand...

Hi, could you name the type of alcohol which you been sucessfully using on your computers....

When u say computers, you do mean an aluminium casing right ...:)
 
driftless said:
That looks like when I snort/coughed when drinking coffee. I use disposable alcohol infused microfiber wipes on my iMac. It works well on organics that have dried on a surface.

Edit: I just re-read the OP and he has that it looks "ingrown", that does sound like the metal has been eaten away.
Click to expand...

I came to that conclusion since i could not even scrap it off... But i might be mistaken .... :)
 
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