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Difficulty

Easy

Steps

4

Time Required

                          1 - 5 minutes

Sections

1

  • RAM
  • 4 steps

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Introduction

Before beginning any work on your iMac: Unplug the computer and press and hold the power button for ten seconds to discharge the power supply’s capacitors.

What you need

Step 1

              Open the RAM door
  • While holding the display steady, use the flat end of a spudger to press in on the RAM door release button, located just above the power port.
  • You may have to press fairly hard—keep at it until the bottom of the door pops out about 0.25" from the rear of the iMac.

While holding the display steady, use the flat end of a spudger to press in on the RAM door release button, located just above the power port.

You may have to press fairly hard—keep at it until the bottom of the door pops out about 0.25" from the rear of the iMac.

1024

Step 2

              Remove the RAM door
  • Pull the RAM access door off the back of the iMac.

Pull the RAM access door off the back of the iMac.

Step 3

              Unlock the RAM tray
  • The RAM tray is locked into its upright position with two grey tabs.
  • Use your thumbs or index fingers to unlock the tray by pushing the tabs outward, away from the RAM.
  • Pull the tabs out and down, swinging the RAM tray down to a near-horizontal position.

The RAM tray is locked into its upright position with two grey tabs.

Use your thumbs or index fingers to unlock the tray by pushing the tabs outward, away from the RAM.

Pull the tabs out and down, swinging the RAM tray down to a near-horizontal position.

Step 4

              Remove the RAM
  • Remove a stick of RAM by grabbing it with two hands and pulling straight out of the RAM tray.
  • RAM modules are keyed so that they can only be installed in the proper orientation. Note where the shorter section of contacts is when removing, and reinstalling, your RAM.
  • To install a new module, insert the module into the desired slot in the tray and press it firmly in place. Push the tray back up until it locks in place.
  • Re-insert the RAM access door back into its place.

Remove a stick of RAM by grabbing it with two hands and pulling straight out of the RAM tray.

RAM modules are keyed so that they can only be installed in the proper orientation. Note where the shorter section of contacts is when removing, and reinstalling, your RAM.

To install a new module, insert the module into the desired slot in the tray and press it firmly in place. Push the tray back up until it locks in place.

Re-insert the RAM access door back into its place.

To reassemble your device, follow the above steps in reverse order.Take your e-waste to an R2 or e-Stewards certified recycler.Repair didn’t go as planned? Check out our Answers community for troubleshooting help.

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                    Adam O'Camb

Member since: 04/11/2015

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Juan Pablo Chávez Flores - Nov 22, 2022

Reply

Saludos, alguien me pudiera decir cuanto soporta de máximo de memoria RAM que soporta?, en Crucial dice que 64Gb de RAM, pero en Apple dice que el procesador 3.0Ghz (que es el que tiene el equipo que se quiere aumentar la memoria) solo 32Gb, por experiencia en otros equipos creo si soporta los 64Gb pero si me gustaría tener la seguridad para hacer la compra, gracias.

Zoltán Papp - Dec 6, 2022

Reply

Hi. I ordered 2x32GB Crucial mac memories for my iMac 27, 2019 3,1GHz.It starts with these Crucial memories, but very very slowly. The startup takes 10 minutes with a dual channel mode. Has somebody had the same problem?

Aagotart - Jan 8, 2023

Yes! I bought 4 x 8GB and found out that I had to change two and two of the RAM cards. I had to go through a long list of variables ways to put the cards back in. (Ex. only change spot no 1 and 3, only change spot 2 and 3, etc….) After a while I hit it, and the iMac started if I pressed R+P+control+command while starting up. I got to know that the iMac needed to get to know the new cards….. (sounds really weird). After using only 2 of the new cards for several months (4-5) I tried to change the 2 next. So now I have all the 4 new RAM cards in, and the iMac WONT START. I have tried all kinds of variants of starting it, and moved around the cards. Still black. I ended up buying a Mac Book Pro, as a result of frustration. I still would like to be able to start my iMac 2019. Anyone?