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Upgrading iMac Intel 21.5" EMC 2544 RAM Memory

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Introduction

Upgrade up to 16 GB of RAM memory in your 21.5" iMac

All photos are property of iFixit

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  1. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Unglue the screen: étape 1, image 1 de 1

    • First you need to remove the glue from the edge of the iMac

    • Use a Guitar Pick around the screen to remove the glue

    • Be careful not to damage the iSight camera

    Modifier

  2. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Screen: étape 2, image 1 de 2 Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Screen: étape 2, image 2 de 2

    • Once you are sure the adhesive is removed, use two heavy suction cups to lift the screen

    • Unplug these cables:

    • DisplayPort Cable

    • Power Cable

    • Lift the screen from the iMac

    Modifier

  3. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Adhesive: étape 3, image 1 de 2 Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Adhesive: étape 3, image 2 de 2

    • Remove the gray tape from the iMac and the screen itself

    • When reassembling the iMac, put double sided tape on the screen and the iMac

    Modifier

  4. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Hard drive: étape 4, image 1 de 2 Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Hard drive: étape 4, image 2 de 2

    • Remove the four Torx T10 screws

    • Unplug the SATA cables and remove the hard drive

    Modifier

  6. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Fan: étape 5, image 1 de 2 Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Fan: étape 5, image 2 de 2

    • Remove these 3 Torx T10 screws

    • After you remove the screws, remove these cables

    • Fan Cable

    • Unstick and unplug the camera cable

    • After you remove the fan, remove the hard drive bay removing a single Torx T10 screw

    Modifier

  7. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Power board: étape 6, image 1 de 3 Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Power board: étape 6, image 2 de 3 Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Power board: étape 6, image 3 de 3

    • Remove these 2 Torx T10 screws

    • Unplug these 2 cables

    • Unplug 2 more cable below the power board by pressing the clip

    • The power board is hard to remove from its place, remove it carefully

    Modifier

  8. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory: étape 7, image 1 de 1

    • Remove the cables out of the clip

    Modifier

  9. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory: étape 8, image 1 de 2 Upgrading iMac Intel 21.5" EMC 2544 RAM Memory: étape 8, image 2 de 2

    • Unplug these 4 antenna connectors

    • When reassembling be sure that the connectors are in the same place

    • After that, remove these two Torx T10 screws

    • Move the speaker and unplug the cable from the logic board

    • Remove these other cables

    • For finish, remove these four Torx T10 screws

    Modifier

  10. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Logic Board: étape 9, image 1 de 2 Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Logic Board: étape 9, image 2 de 2

    • Unscrew 3 Torx T8 screws from the heatsink, then remove the logic board from the iMac

    • Be careful not to damage the SD card reader with the screw mount

    Modifier

  11. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, RAM memory: étape 10, image 1 de 2 Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, RAM memory: étape 10, image 2 de 2

    • Flip the logic board over and release the tabs from each side of the RAM

    Modifier
Conclusion

To reassemble your device, follow these instructions in reverse order remembering to re-glue the screen.

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