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iMac Intel 27" EMC 2390 RAM Replacement

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  1. iMac Intel 27" EMC 2390 RAM Replacement, Access Door: шаг 1, изображение 1 из 2 iMac Intel 27" EMC 2390 RAM Replacement, Access Door: шаг 1, изображение 2 из 2
    • Loosen the three Phillips screws securing the access door to the bottom edge of your iMac.

    • These screws will remain captive in the access door.

    • Remove the access door from your iMac.

    • During reassembly, fasten the access door loosely and align it with the pocket cut into the outer case of the iMac before fully tightening the screws.

  2. iMac Intel 27" EMC 2390 RAM Replacement, RAM: шаг 2, изображение 1 из 1
    • Use your fingers or the tip of a spudger to slide the black plastic RAM tray pull tab out of the RAM slot.

  3. iMac Intel 27" EMC 2390 RAM Replacement: шаг 3, изображение 1 из 2 iMac Intel 27" EMC 2390 RAM Replacement: шаг 3, изображение 2 из 2
    • Pull the black plastic tab away from the iMac to eject the RAM chip from its socket.

    • The RAM modules are firmly seated and may require a fair amount of force to remove.

    • Use your fingers to slide the RAM chip out of its socket.

    • If necessary, repeat this process for the other RAM module(s).


To reassemble your device, follow these instructions in reverse order.

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6 Комментариев

Super easy! I'm not exactly an experienced fixer, but this replacement took no effort at all. (I also replaced the battery of my iphone 4S: that was much much much harder)

Tessa - Ответить

My wife's ageing iMac currently has 4x2GB, and it is creaking under even light use (on Mavericks... haven't dared upgrade any further yet).

I want to initially upgrade it to 2x8GB, which seems nice and easy. My question is is it then possible to add one more 8GB for a total of 24GB, or would I need to add 2x8GB for a total of 32GB? Will the iMac see and use 3 RAM modules, or does it need to be an even number, like in the old PC days?


Clive Murray - Ответить

Maximum memory: 16384MB. See crucial for more information :


Frederic Morelli -

Easy mode. Note that the bits is called PZ1 most screwdriver sets. Also known as Japanese Phillips, the bid comes to a + instead of to a point. A 2.0 flathead will also turn the screw.

Oh and, don't forget to check your black flats back in. Otherwise you'll get too funny little appendages sticking out the bottom when you reattach your access door :)

Kevin McCartney - Ответить


* firstly you may have to pull twice on the tab to release both RAMs as sometimes the first slot gets a little stuck.

* secondly - I've been having some trouble with different RAM chips - can anyone please tell me the definitive answer for how much RAM each slot will take, and what speed and latency? My iMac seems "finicky" about brands too!!!

Mike Haines - Ответить

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