Dell Inspiron 15 3521 Owner's Manual - Page 55

Removing the Heat-Sink, Prerequisites

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Removing the Heat-Sink WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites 1 Remove the battery. See "Removing the Battery" on page 11. 1 Follow the instructions from step 1 to step 2 in "Removing the Memory Module(s)" on page 15. 2 Remove the hard-drive assembly. See "Removing the Hard-Drive Assembly" on page 23. 3 Remove the optical-drive assembly. See "Removing the Optical-Drive Assembly" on page 19. 4 Remove the keyboard. See "Removing the Keyboard" on page 27. 5 Remove the palm-rest. See "Removing the Palm-Rest" on page 31. 6 Remove the wireless mini-card. See "Removing the Wireless Mini-Card" on page 37. 7 Remove the system board. See "Removing the System Board" on page 45. Removing the Heat-Sink | 55

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Removing the Heat-Sink
|
55
Removing the Heat-Sink
WARNING:
Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in "After
Working Inside Your Computer" on page 9. For additional safety best practices
information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Prerequisites
1
Remove the battery. See "Removing the Battery" on page 11.
1
Follow the instructions from step 1 to step 2 in "Removing the Memory Module(s)"
on page 15.
2
Remove the hard-drive assembly. See "Removing the Hard-Drive Assembly" on
page 23.
3
Remove the optical-drive assembly. See "Removing the Optical-Drive Assembly" on
page 19.
4
Remove the keyboard. See "Removing the Keyboard" on page 27.
5
Remove the palm-rest. See "Removing the Palm-Rest" on page 31.
6
Remove the wireless mini-card. See "Removing the Wireless Mini-Card" on page 37.
7
Remove the system board. See "Removing the System Board" on page 45.