Fix Your Stuff Community Store

iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement

Prerequisite Only
This guide is only intended to be used as a prerequisite for other guides. It's incomplete by itself.

Introduction

Prereq to remove the heat sink.

What you need

  1. iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement, Heat Sink Assembly: step 1, image 1 of 3 iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement, Heat Sink Assembly: step 1, image 2 of 3 iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement, Heat Sink Assembly: step 1, image 3 of 3

    • Disconnect and remove the SATA data and power cables from the logic board.

    Edit

  2. iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement: step 2, image 1 of 1

    • Remove the four 12 mm T10 shoulder screws from the spring plate behind the CPU.

    Edit

  4. iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement: step 3, image 1 of 1

    • Remove the spring plate from behind the CPU heat sink.

    Edit

  5. iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement: step 4, image 1 of 1

    • Lift and remove the backing plate from behind the CPU heat sink.

    • The backing plate has two posts that fit into alignment holes in the logic board and heat sink.

    Edit

  6. iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement: step 5, image 1 of 2 iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement: step 5, image 2 of 2

    • Remove the three 12 mm T8 Torx screws securing the GPU heat sink to the logic board.

    • Remove the three springs left behind.

    • These springs might come up with the screws; be careful not to lose track of them.

    Edit

  7. iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement: step 6, image 1 of 2 iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement: step 6, image 2 of 2

    • Lift and remove the heat sink up off the logic board.

    • The CPU will most likely detach with the heat sink, so be careful about where you lay it down.

    Edit
Conclusion

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

Author

with 3 other contributors

Sam Goldheart

Member since: 10/18/12

465,970 Reputation

538 Guides authored

Badges: 48

+45 more badges

Team

iFixit Member of iFixit

Staff

136 Members

17,299 Guides authored

0 Comments

Add Comment

View Statistics:

Past 24 Hours: 0

Past 7 Days: 3

Past 30 Days: 10

All Time: 38