Dell Inspiron 14z (5423, Mid 2012) - Manual (Page 69)

Replacing the Thermal-Cooling Assembly | 69
28 Replacing the Thermal-Cooling
Assembly
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 thermal-cooling assembly
and reapply it.
2 Align the screw holes on the thermal-cooling assembly with the screw holes on the
system board.
3 In sequential order (indicated on the heat sink), tighten the captive screws that
secure the thermal-cooling assembly to the system board.
4 Connect the fan cable to the system-board connector.
Postrequisites
1 Follow the instructions from step 2 to step 5 in "Replacing the System Board" on
page 61.
2 Replace the wireless Mini-Card.
See "Replacing the Wireless Mini-Card" on page 41.
3 Replace the hard drive. See "Replacing the Hard Drive" on page 37.
4 Replace the battery. See "Replacing the Battery" on page 33.
5 Replace the palm-rest assembly.
See "Replacing the Palm-Rest Assembly" on page 29.
6 Replace the keyboard. See "Replacing the Keyboard" on page 23.
7 Replace the optical drive.
See "Replacing the Optical-Drive Assembly" on page 17.
8 Replace the memory module(s).
See "Replacing the Memory Module(s)" on page 13.
9 Follow the instructions in "After Working Inside Your Computer" on page 9.
OM_Book.book Page 69 Tuesday, October 16, 2012 11:59 AM