iMac Intel 21.5" EMC 2544 RAM Replacement
Introdução
Vá para o passo 1Use this guide to install or replace RAM.
O que você precisa
Fix Kit
Este kit contém todas as peças e ferramentas necessárias para executar este guia.
Peças
Ferramentas
Exibir mais…
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Ferramenta utilizada neste passo:iMac Intel 21.5" Cardboard Service Wedge$4.99
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Ferramenta utilizada neste passo:Plastic Cards$2.99
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Starting from the top right corner of the iMac, wedge a plastic card between the display and frame.
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Remove the following five Phillips screws holding the lower support bracket in place:
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Four 3.2 mm screws
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One 1.7 mm screw
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Use a spudger to loosen the right speaker cable's connector from its socket on the logic board.
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Pull the connector downwards to remove it from its socket.
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Remove the following screws securing the hard drive bracket to the rear enclosure:
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Two 21 mm T10 Torx screws from the left-hand hard drive bracket.
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One 9 mm T10 Torx screw.
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One 27 mm T10 Torx screw.
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Use the tip of a spudger to push each side of the power button cable connector and gently "walk" it out of its socket.
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Gently pull the fan cable connector straight away from its socket on the logic board.
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Lift the hard drive from the edge nearest the logic board and pull it slightly out of its recess.
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Remove the single 7.2 mm T10 screw securing the hard drive tray to the rear enclosure.
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Push on each side of the left speaker cable connector with the tip of a spudger and gently "walk" it out of its socket.
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Release the tabs on each side of the RAM module by simultaneously pushing each tab away.
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Grab the top left and right corners of the RAM module and carefully pull it straight out of its socket.
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To reassemble your device, follow these instructions in reverse and use our Adhesive Strips Guide to reattach the display glass.
To reassemble your device, follow these instructions in reverse and use our Adhesive Strips Guide to reattach the display glass.
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18 comentários
I used the iMac Opening Tool just as shown starting in step 2 to separate the tape. DISASTER! The screen cracked! I used the tool slowly and carefully and despite this, the screen cracked. I should have simply used a guitar pick. That said, I decided to see if I could upgrade the 8GB RAM to 16GB RAM WITHOUT removing the logic board all performing all of these steps. I found I could simply remove the FAN assembly as shown in step 43. This makes enough room to reach behind the logic board and unclip the 2 memory modules. I installed 2 8GB modules (1600MHz DDR3L SO-DIMM PC12800 204 Pin) without much trouble. I used a plastic stick to reach behind the logic board and unclip the existing memory modules, then carefully inserted the new ones and clipped them into place. This is much easier than performing all of these steps.
Hi There, I am interested in going in and upgrading my RAM to 16. Did you do all the steps ups to 43? Remove the power supply? Did you remove the hard Drive? I take it you had to do step 53 as well and remove the iSight camera cable first? I may try it your way, I hate to have to unplug 98% of everything to do this. Thanks for the tip.
I added extra RAM by following step 1-23, then skipping to do just 41-43 and then reach the RAM from the back of the logic board. It was difficult to reach but possible.
Mikael -
Wow, thanks. That was much easier. I unscrewed the corner Torx screw holding the mobo down for just a touch of flex.
Used a couple of screw drivers to pull the tabs out
It helps if you have done a bunch of memory upgrades so you have a feel for how to get the chips in.
cyadmark -
Thanks for the tips here.I used a guitar pick and some credit cards as suggested, and to worked fine. I also followed Mikael’s suggestion :
“I added extra RAM by following step 1-23, then skipping to do just 41-43 and then reach the RAM from the back of the logic board. It was difficult to reach but possible.”
which worked fine for me too. Thanks for the suggestion. Have ordered tools & adhesive from ifixit anyway cos the site & its community showed me how to do it all anyway
