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  1. iMac Intel 27" Retina 5K Display 2019 RAM Replacement, Open the RAM door: step 1, image 1 of 2 iMac Intel 27" Retina 5K Display 2019 RAM Replacement, Open the RAM door: step 1, image 2 of 2
    • 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.

  2. iMac Intel 27" Retina 5K Display 2019 RAM Replacement, Remove the RAM door: step 2, image 1 of 3 iMac Intel 27" Retina 5K Display 2019 RAM Replacement, Remove the RAM door: step 2, image 2 of 3 iMac Intel 27" Retina 5K Display 2019 RAM Replacement, Remove the RAM door: step 2, image 3 of 3
    • Pull the RAM access door off the back of the iMac.

  3. iMac Intel 27" Retina 5K Display 2019 RAM Replacement, Unlock the RAM tray: step 3, image 1 of 3 iMac Intel 27" Retina 5K Display 2019 RAM Replacement, Unlock the RAM tray: step 3, image 2 of 3 iMac Intel 27" Retina 5K Display 2019 RAM Replacement, Unlock the RAM tray: step 3, image 3 of 3
    • 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.

  4. iMac Intel 27" Retina 5K Display 2019 RAM Replacement, Remove the RAM: step 4, image 1 of 3 iMac Intel 27" Retina 5K Display 2019 RAM Replacement, Remove the RAM: step 4, image 2 of 3 iMac Intel 27" Retina 5K Display 2019 RAM Replacement, Remove the RAM: step 4, image 3 of 3
    • 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.

Заключение

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.

4 участников успешно повторили данное руководство.

Adam O'Camb

Участник с: 11.04.2015

174 578 Репутация

Автор 418 руководств

4 Comments

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.

Juan Pablo Chávez Flores - Ответить

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?

Zoltán Papp - Ответить

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?

Aagotart -

Have the same problem for the past two days.

Having four identical apple OEM rams but the system won't turn on with all four slots installed. It will with 3, with 2 but not with 4. Also, it doesn't matter which order you put or which ram of the four one you installed. All of them are working in pair of 3s or 2s but not all together.

I am really bamboozled.

Greg Pap - Ответить

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