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Upgrading iMac Intel 21.5" EMC 2544 RAM Memory

已存档的指南
本指南只作为历史记录保留。请使用指南的最新版本来进行维修。

简介

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

All photos are property of iFixit

你所需要的

  1. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Unglue the screen: 步骤 1 中的图像 1，1

    • 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

    编辑

  2. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Screen: 步骤 2 中的图像 1，2 Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Screen: 步骤 2 中的图像 2，2

    • 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

    编辑

  3. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Adhesive: 步骤 3 中的图像 1，2 Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Adhesive: 步骤 3 中的图像 2，2

    • 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

    编辑

  4. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Hard drive: 步骤 4 中的图像 1，2 Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Hard drive: 步骤 4 中的图像 2，2

    • Remove the four Torx T10 screws

    • Unplug the SATA cables and remove the hard drive

    编辑

  6. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Fan: 步骤 5 中的图像 1，2 Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Fan: 步骤 5 中的图像 2，2

    • 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

    编辑

  7. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Power board: 步骤 6 中的图像 1，3 Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Power board: 步骤 6 中的图像 2，3 Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Power board: 步骤 6 中的图像 3，3

    • 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

    编辑

  8. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory: 步骤 7 中的图像 1，1

    • Remove the cables out of the clip

    编辑

  9. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory: 步骤 8 中的图像 1，2 Upgrading iMac Intel 21.5" EMC 2544 RAM Memory: 步骤 8 中的图像 2，2

    • 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

    编辑

  10. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Logic Board: 步骤 9 中的图像 1，2 Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, Logic Board: 步骤 9 中的图像 2，2

    • 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

    编辑

  11. Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, RAM memory: 步骤 10 中的图像 1，2 Upgrading iMac Intel 21.5" EMC 2544 RAM Memory, RAM memory: 步骤 10 中的图像 2，2

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

    编辑
结论

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

11等其他人完成本指南。

作者

与7其他贡献者

jimenezser

于08/29/12注册

3,848 声望

创作了4篇指南

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