Dell E6520 - page 71

24. Flip the computer and disconnect the following cables from the system

board:

• wireless switch board

• smart card reader

• speaker

25. Remove the screws from the system board.

26. Detach the top left edge of the system board from the I/O board connector.

71

Contents

Main Notes, Cautions, and Warnings Contents 4 Modem Connector Plug..........................................................................17 6 Subscriber Identity Module (SIM) Card...............................................21 15 Wireless Local Area Network (WLAN) Card.....................................43 16 Wireless Wide Area Network (WWAN) Card...................................45 25 Wireless Switch Board.........................................................................67 Page Page Working on Your Computer 1 Before Working Inside Your Computer Turning Off Your Computer Battery Recommended Tools Turning Off Your Computer After Working Inside Your Computer Page Secure Digital (SD) Card 2 Page ExpressCard 3 Page Modem Connector Plug 4 Page Battery 5 Removing The Battery After Working Inside Your Computer Before Working On Your Computer Installing The Battery Page Subscriber Identity Module (SIM) Card 6 Removing The Subscriber Identity Module (SIM) Card Installing The Subscriber Identity Module (SIM) Card Page Hard Drive 7 Removing The Hard Drive Installing The Hard Drive Optical Drive 8 Removing The Optical Drive Page Installing The Optical Drive battery After working inside your computer Page Base Cover 9 Removing The Base Cover Installing The Base Cover Memory 10 Removing The Memory Installing The Memory Bluetooth Card 11 Removing Bluetooth Card Installing The Bluetooth Card Coin-Cell Battery 12 Removing The Coin-Cell Battery Installing The Coin-Cell Battery Page Modem Card 13 Removing The Modem Card Installing The Modem Card Modem Connector 14 Removing The Modem Connector Page Installing The Modem Connector Page Wireless Local Area Network (WLAN) Card 15 Removing The Wireless Local Area Network (WLAN) Card Installing The Wireless Local Area Network (WLAN) Card Wireless Wide Area Network (WWAN) Card 16 Removing The Wireless Wide Area Network (WWAN) Card Installing The Wireless Wide Area Network (WWAN) Card Power Connector 17 Removing The Power Connector Installing The Power Connector Heat Sink 18 Removing The Heat-Sink Installing The Heat-Sink Processor 19 Removing The Processor Installing The Processor Keyboard Trim 20 Removing The Keyboard Trim Before Working On Your Computer Page Keyboard 21 Removing The Keyboard Page Installing The Keyboard Page Palm Rest 22 Removing The Palm Rest Assembly Installing The Palm Rest Assembly Page Page Smart Card Reader 23 Removing the Smart Card Reader Installing The Smart Card Reader ExpressCard Cage 24 Removing The ExpressCard Cage Installing The ExpressCard Cage Wireless Switch Board 25 Removing The Wireless Switch Board Installing The Wireless Switch Board System Board 26 Removing The System Board Page Page Installing The System Board Page Page Speaker 27 Removing The Speakers Page Installing The Speakers Page Input/Output Panel 28 Removing The Input/Output (I/O) Panel Page Installing The Input/Output (I/O) Panel Page Display Assembly 29 Removing The Display Assembly Page Page Installing The Display Assembly base cover After Working Inside Your Computer battery Display Bezel 30 Removing The Display Bezel Installing The Display Bezel Page Display Panel 31 Removing The Display Panel Installing The Display Panel Camera 32 Removing The Camera Installing The Camera Page Specifications 33 Technical Specifications Page Page Page Page Page System Setup 34 System Setup Overview Entering System Setup System Setup Menu Options System Configuration The following table describe the menu options of the System Configuration menu. Page Page Video The following table describe the menu options of the Video menu. Security The following table describe the menu options of the Security menu. Page Performance The following table describe the menu options of the Performance menu. Power Management The following table describe the menu options of the Power Management menu. Page POST Behavior The following table describe the menu options of the POST Behavior menu. Page Wireless The following table describe the menu options of the Wireless menu. Maintenance The following table describe the menu options of the Maintenance menu. Page Page Diagnostics 35 Device Status Lights Battery Status Lights LED Error Codes Page Page Page Contacting Dell 36 Contacting Dell