Dell Inspiron 15 (3521, Late 2012) - Manual (Page 61)

Replacing the Fan | 61
Replacing the Fan
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 Align the screw holes on the fan with the screw holes on the system board.
2 Replace the screw that secures the fan to the system board.
3 Connect the fan cable to the connector on 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.
OM_Book.book Page 61 Tuesday, November 20, 2012 12:43 PM