Dell 3550 - page 41

9. Release the touch-pad data cable securing clip.

10. Disconnect the touch-pad data cable.

11. Release the quick-launch button board cable securing clip.

Contents

Main Notes, Cautions, and Warnings Contents 4 Subscriber Identity Module (SIM) Card...............................................15 11 Wireless Wide Area Network (WWAN) Card...................................31 13 Wireless Local Area Network (WLAN) Card.....................................37 19 Quick Launch Button Board.................................................................59 26 Display Brackets and Hinges...............................................................81 Working on Your Computer Before Working Inside Your Computer Turning Off Your Computer Recommended Tools Turning Off Your Computer After Working Inside Your Computer Page Page Page Page Page Page Page Access Panel Removing The Access Panel Installing The Access Panel Memory Removing The Memory Module Installing The Memory Module Optical Drive Removing The Optical Drive Installing The Optical Drive Hard Drive Removing The Hard Drive Installing The Hard Drive ExpressCard Removing The ExpressCard Page ExpressCard Board Removing The ExpressCard Board Page Installing The ExpressCard Board Page Wireless Wide Area Network (WWAN) Card Removing The Wireless Wide Area Network (WWAN) Card Installing The Wireless Wide Area Network (WWAN) Card Keyboard Removing The Keyboard Page Installing The Keyboard battery After Working Inside Your Computer Page Wireless Local Area Network (WLAN) Card Removing The Wireless Local Area Network (WLAN) Card Installing The Wireless Local Area Network (WLAN) Card Palm Rest Removing The Palm Rest Page Page Page Page Installing The Palm Rest keyboard Page Page Fingerprint Reader Removing The Fingerprint Reader Page Installing The Fingerprint Reader Page Hold Switch Removing The Hold Switch Installing The Hold Switch Page Speaker Removing The Speakers Page Installing The Speakers Page Power-Button Board Removing The Power-Button Board Installing The Power-Button Board Quick Launch Button Board Removing The Quick-Launch Button Board Installing The Quick Launch Button Board Coin-Cell Battery Removing The Coin-Cell Battery Installing The Coin-Cell Battery Page Heat Sink Removing The Heatsink Page Installing The Heat Sink Page Processor Removing The Processor Page Installing The Processor Page Display Assembly Removing The Display Assembly Page Page Installing The Display Assembly Display Bezel Removing The Display Bezel Installing The Display Bezel Camera Removing The Camera Installing The Camera Page Page Display Brackets and Hinges Removing The Display Brackets, Hinges And Panel Page Page Installing The Display Brackets, Hinges and Panel display camera Page Page System Board Removing The System Board Page Installing The System Board Page Left Input/Output Board Removing The Left And The Right Input/Output (I/ O) Board Page Installing The Left And The Right Input/Output (I/ O) Board Page System Setup System Setup Overview System Setup Enter System Setup Screens Use the following keys to navigate through the System Setup screens: System Setup Options Main Advanced Security Boot Exit Diagnostics Device Status Lights Battery Status Lights Diagnostic Beep Codes Page Specifications Page Page Page Page Page Page Page Page Page Contacting Dell Contacting Dell