Dell E6420 - page 82

27. Remove the Smart Card reader cable, Media Board cable, and DC-in Cable.

28. Disconnect the motherboard from the IO Board.

Contents

Main Notes, Cautions, and Warnings Contents 4 Modem Connector Plug..........................................................................17 7 Subscriber Identity Module (SIM) Card...............................................23 13 Wireless Local Area Network (WLAN) Card.....................................37 14 Wireless Wide Area Network (WWAN) Card...................................41 Page 25 System Board Components..................................................................79 Page Page Working on Your Computer 1 Before Working Inside Your Computer Turning Off Your Computer Recommended Tools Turning Off Your Computer After Working Inside Your Computer Page Page Page ATG Port Cover 3 Removing the ATG Port Cover Before Working On Your Computer Page Modem Connector Plug 4 Removing the Modem Connector Plug Installing the Modem Connector Plug ExpressCard 5 Page Page Page Page Page Secure Digital (SD) Card 8 Page Base Cover 9 Removing the Base Cover Installing the Base Cover Hard Drive 10 Removing the Hard Drive Installing the Hard Drive Optical Drive 11 Removing The Optical Drive Page Page Installing the Optical Drive Battery After working inside your computer Memory Card 12 Removing the Memory Card Installing the Memory Card Wireless Local Area Network (WLAN) Card 13 Removing the Wireless Local Area Network (WLAN) Card Page Installing the Wireless Local Area Network (WLAN) Card Page Wireless Wide Area Network (WWAN) Card 14 Removing the Wireless Wide Area Network (WWAN) Card Page Installing the Wireless Wide Area Network (WWAN) Card Page Coin-Cell Battery 15 Removing the Coin-Cell Battery Installing the Coin-Cell Battery Heat Sink 16 Removing The Heat Sink Page Installing The Heat Sink Page Bluetooth Card 17 Removing the Bluetooth Card Page Installing the Bluetooth Card Page Keyboard Trim 18 Removing the Keyboard Trim Before Working On Your Computer Page Keyboard 19 Removing the Keyboard Page Page Installing the Keyboard Modem Card 20 Removing the Modem Card Page Installing the Modem Card Page Palm Rest 21 Removing the Palm Rest Assembly Page Page Installing the Palm Rest Assembly Smart Card Reader 22 Removing the Smart Card Page Installing the Smart Card Page Media Board 23 Removing The Media Board Page Installing the Media Board Page ExpressCard Cage 24 Removing the ExpressCard Cage Installing the ExpressCard Cage System Board Components 25 Removing the System Board Page Page Page Page Installing the System Board Speaker 26 Removing the Speakers Page Installing the Speakers Page Modem Connector 27 Removing the Modem Connector Page Page Page Installing the Modem Connector Page Input/Output Panel 28 Removing the Input/Output (I/O) Board Page Installing the Input/Output (I/O) Board Page DC-In Port 29 Removing DC-in Port Page Page Installing DC-In Port Display Assembly 30 Removing the Display Assembly Page Page Installing the Display Assembly Display Hinges 31 Removing the Display Hinge Covers Page Page Installing the Display Hinge Covers Display Bezel 32 Removing the Display Bezel Installing the Display Bezel Display Panel 33 Removing the Display Panel Page Installing the Display Panel Page Display Bracket 34 Removing the Display Bracket Installing the Display Bracket Page Camera 35 Removing the Camera Installing the Camera Specifications 36 Technical Specifications Page Page Page Page Page Page Page System Setup 37 Setup Overview Entering System Setup System Setup Menu General System Configuration Page Page Video Security Page Performance Power Management Page POST Behavior Virtualization Support Wireless Maintenance System Logs Diagnostics 38 Diagnostic LED Codes Battery Status Lights Page Page Contacting Dell 39 Contacting Dell