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Old Dec 1, 2012, 08:13 AM   #1
charlieroberts
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Late 2012 21.5in iMac RAM is upgradeable!

I thought I would share this;

OWC saves the day

There is hope! Although It does not look like an easy procedure! But if you have the guts and want to save a couple of bucks...
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Old Dec 1, 2012, 08:20 AM   #2
alexdd
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"Professional Installation Recommended
It is required that heat be applied to the perimeter of the iMac to enable
the removal of the screen to access the memory bays inside."
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Old Dec 1, 2012, 08:26 AM   #3
Razorhog
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Quote:
Originally Posted by alexdd View Post
"Professional Installation Recommended
It is required that heat be applied to the perimeter of the iMac to enable
the removal of the screen to access the memory bays inside."
A scary proposition !
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Old Dec 1, 2012, 08:30 AM   #4
justperry
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Originally Posted by Razorhog View Post
A scary proposition !
And if this is the case, how to get it back in place, use glue again?
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Old Dec 1, 2012, 08:34 AM   #5
Deathwish86
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From ifixit:
You'll have to masterfully peel off the old double-sided sticky tape and apply new tape in order to reseal this iMac into original condition.
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Old Dec 1, 2012, 08:37 AM   #6
photoz
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Quote:
Originally Posted by Deathwish86 View Post
From ifixit:
You'll have to masterfully peel off the old double-sided sticky tape and apply new tape in order to reseal this iMac into original condition.
Good luck with that!
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Old Dec 1, 2012, 08:42 AM   #7
tuccillo
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All of that to save $81 plus perhaps invalidate your warranty?

Quote:
Originally Posted by charlieroberts View Post
I thought I would share this;

OWC saves the day

There is hope! Although It does not look like an easy procedure! But if you have the guts and want to save a couple of bucks...
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Old Dec 1, 2012, 08:48 AM   #8
Deathwish86
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It's not about saving 81$...It's about not putting all the money upfront, and spreading over a period of time. Same issue with the SSD.
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Old Dec 1, 2012, 08:48 AM   #9
kaellar
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Quote:
Originally Posted by tuccillo View Post
All of that to save $81 plus perhaps invalidate your warranty?
hey guess what? not everyone lives in the US. here in Russia I'd have to wait a month and pay about 450-500$ for BTO 16GB RAM ONLY! Yep, our resellers are THAT good =)
the same thing with SSD btw, I'd rather purchase 256GB rMBP-format SSD at eBay for 350$ total and install it myself than pay apple's resellers twice more for Fusion Drive which is only 128GB.
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Old Dec 1, 2012, 08:51 AM   #10
MeFromHere
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Quote:
Originally Posted by justperry View Post
And if this is the case, how to get it back in place, use glue again?
It looks more like adhesive tape, not glue. Tape is WAY easier to deal with in many cases.
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Old Dec 1, 2012, 08:57 AM   #11
bbapps
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I love ifixit tear downs....


Quote:
Step 18
  • Good news: The iMac's RAM is "user-replaceable."
  • Bad news: You have to unglue your screen and remove the logic board in order to do so.
  • This is just barely less-terrible than having soldered RAM that's completely non-removable.
  • Our bargain-basement unit has a solid 8 GB of Hynix PC3-12800 RAM.
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Old Dec 1, 2012, 09:30 AM   #12
MeFromHere
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Quote:
Originally Posted by bbucy View Post
I like their pictures, but I dislike their heavy-handed, biased, and often inaccurate commentary.
  • They say you have to "unglue the screen", but it appears to be taped, not glued.
  • They claim to be surprised that the glass is glued to the screen, but this was one of the keynote features that Apple has been bragging about.
  • In some reviews they complain bitterly about "non standard" screws, while at the same time selling inexpensive tools to work with them.
  • etc.

Except for the adhesive holding the screen assembly (which I agree is unfortunate), this iMac seems VERY serviceable from the info I've seen so far.
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Old Dec 1, 2012, 09:34 AM   #13
justperry
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Originally Posted by MeFromHere View Post
It looks more like adhesive tape, not glue. Tape is WAY easier to deal with in many cases.
I just checked out iFixit, it's foam adhesive, I used that stuff lots of time, and we throw away lots.( 2 sizes, only one needed)
If it is exactly the same we use in Electrical cabinets you don't need a heatgun, it is fairly strong but it rips apart easily with a bit of force.
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Old Dec 1, 2012, 10:21 AM   #14
Arman
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The biggest drawback I see is the lack of a duel hard drive capability. Well have to wait and see how 27" tear down fair any differently. I opted for a 27" 1TB fusion. I am assuming that in the future I can switch out 1TB drive for an SSD for an all SSD setup.
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Old Dec 1, 2012, 10:21 AM   #15
bbapps
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Serviceable, but scary.. Just replaced the HDD on my mid-2007 iMac; I partially sheared a guide pin pulling the glass.

With the fused glass/LCD, the increase resistance of the foam adhesive, I assume there are still guide pins and magnets; in other words, lot more gotchas (e.g. Opps) pulling that screen.... Wouldn't want to do it just to upgrade some RAM on a 21.5 inch.
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Old Dec 1, 2012, 10:55 AM   #16
MeFromHere
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Quote:
Originally Posted by bbucy View Post
Serviceable, but scary.. Just replaced the HDD on my mid-2007 iMac; I partially sheared a guide pin pulling the glass.

With the fused glass/LCD, the increase resistance of the foam adhesive, I assume there are still guide pins and magnets; in other words, lot more gotchas (e.g. Opps) pulling that screen.... Wouldn't want to do it just to upgrade some RAM on a 21.5 inch.
I took a steel safety pin with me to the Apple store yesterday. It easily found the magnets on the 2011 iMac. I couldn't feel a hint of a magnet on the 2012 model.
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Old Dec 1, 2012, 02:24 PM   #17
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I'd rather spend the extra cash and not be stuck with a broken comp due to my idiocy. I remember taking apart Lego sets after being built and It never looked the same reassembled.
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Old Dec 1, 2012, 02:43 PM   #18
CaptMike
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Quote:
Originally Posted by charlieroberts View Post
I thought I would share this;

OWC saves the day

There is hope! Although It does not look like an easy procedure! But if you have the guts and want to save a couple of bucks...
Already reported this here:
http://forums.macrumors.com/showthread.php?t=1500127
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