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Dell Inspiron 3521 Owner's Manual: Replacing The Heat-sink; Procedure; Postrequisites

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Replacing 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.

Procedure

1
Clean the thermal grease from the bottom of the heat-sink and reapply it.
2
Align the screw holes on the heat-sink with the screw holes on the system board.
3
In sequential order (indicated on the heat-sink), replace the screws that secure the
heat-sink to the system board

Postrequisites

1
Replace the system board. See "Replacing the System Board" on page 49.
2
Replace the wireless mini-card. See "Replacing the Wireless Mini-Card" on page 39.
3
Replace the palm-rest. See "Replacing the Palm-Rest" on page 35.
4
Replace the keyboard. See "Replacing the Keyboard" on page 29.
5
Replace the optical-drive assembly. See "Replacing the Optical-Drive Assembly" on
page 21.
6
Replace the hard-drive assembly. See "Replacing the Hard-Drive Assembly" on
page 25.
7
Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)"
on page 17.
8
Replace the battery. See "Replacing the Battery" on page 13.
9
Follow the instructions in "After Working Inside Your Computer" on page 9.
Replacing the Heat-Sink
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  • Patricia Dec 19, 2014 10:31:
    What do I have to do to make my computer print? I thought I would be remotely connected to my printer which is in another part of the house.