Dell 2020, W06B 12

System-Board Shield | 35

12 System-Board Shield

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 11.

For additional safety best practices information, see the Regulatory Compliance

Homepage at dell.com/regulatory_compliance.

Removing the System-Board Shield

Prerequisites

1Remove the stand cover. See "Removing the Stand Cover" on page 15.

2Remove the stand. See "Removing the Stand" on page 17.

3Remove the back cover. See "Removing the Back Cover" on page 19.

Procedure

1Remove the screws that secure the system-board shield to the chassis.

2Carefully lift the system-board shield and turn it over.

1 screws (5) 2 system-board shield

book.book Page 35 Monday, October 8, 2012 4:27 PM

Contents

Main Notes, Cautions, and Warnings Contents 1 Technical Overview . . . . . . . . . . . . . . . . . . . . . . 7 2 Before You Begin . . . . . . . . . . . . . . . . . . . . . . . 11 5S t a n d 6 Back Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 10 Converter Board. . . . . . . . . . . . . . . . . . . . . . . . 29 11 Memory Module(s) . . . . . . . . . . . . . . . . . . . . . . 31 12 System-Board Shield . . . . . . . . . . . . . . . . . . . . 35 13 Antenna-In Connector . . . . . . . . . . . . . . . . . . 37 14 Antenna Modules . . . . . . . . . . . . . . . . . . . . . . . 39 20 Power-Button Assembly . . . . . . . . . . . . . . . . . 57 21 Processor Heat-Sink . . . . . . . . . . . . . . . . . . . . 61 22 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 23 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . 69 24 Display Panel . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Page 1 Inside View of Your Computer 8 System Board Components Page Page 2 Turn Off Your Computer and Connected Devices Safety Instructions 12 Recommended Tools 3 Page 4 Removing the Stand Cover Page 5 Removing the Stand Replacing the Stand 6 Removing the Back Cover Replacing the Back Cover 7 Removing the Hard Drive 22 Replacing the Hard Drive Page 8 Removing the Optical Drive 26 Replacing the Optical Drive 9 Removing the B-CAS Card Replacing the B-CAS Card 10 Removing the Converter Board Replacing the Converter Board 11 Removing the Memory Module(s) 32 Replacing the Memory Module(s) Page 12 Removing the System-Board Shield 36 Replacing the System-Board Shield 13 Removing the Antenna-In Connector 38 Replacing the Antenna-In Connector 14 Removing the Antenna Modules 40 Replacing the Antenna Modules 15 Removing the TV-Tuner Card 42 Replacing the TV-Tuner Card Page 16 Removing the Wireless Mini-Card 46 Replacing the Wireless Mini-Card Page 17 Removing the Coin-Cell Battery Replacing the Coin-Cell Battery 18 Removing the Speakers 52 Replacing the Speakers Page 19 Removing the Fan 56 Replacing the Fan 20 Removing the Power-Button Assembly 58 Replacing the Power-Button Assembly Page 21 Removing the Processor Heat-Sink 62 Page Page 22 Removing the Processor 66 Replacing the Processor 68 23 Removing the System Board 70 Replacing the System Board Entering the Service Tag in the BIOS Page 24 Removing the Display Panel 74 Page 76 Replacing the Display Panel Page 25 Removing the Infrared Receiver 80 Page 82 Replacing the Infrared Receiver 26 Removing the Middle Frame Page Replacing the Middle Frame Page 27 Removing the Camera Module 88 Replacing the Camera Module Page 28 Removing the Display Bezel Page Replacing the Display Bezel Page 29 Overview Entering System Setup System Setup Screens System Setup Options Page Page Page Page Page Page 104 Boot Sequence Page Clearing Forgotten Passwords Clearing CMOS Settings Page 30