Dell M4800 - page 39

4. Remove the screw that secures the I/O board to the computer. Lift the right edge of the I/O board upwards to

disengage the connector and remove it from computer.

Installing the I/O Board

1. Connect the I/O board connector and slide the I/O board into its slot in the computer.

2. Tighten the screw to secure the I/O board to the computer.

Contents

Main Notes, Cautions, and Warnings Contents Page Page Page Working on Your Computer Before Working Inside Your Computer Recommended Tools Turning Off Your Computer After Working Inside Your Computer Page Removing and Installing Components System Overview Inside view back Inside view front Removing the Secure Digital (SD) Card Installing the SD Card Page Page Page Removing the Keyboard Page Installing the Keyboard Removing the Base Cover Page Installing the Base Cover Removing the Primary Memory Installing the Primary Memory Removing the Secondary Memory Installing the Secondary Memory Removing the Optical Drive Installing the Optical Drive Removing the Hard Drive Installing the Hard Drive Removing the Wireless Local Area Network (WLAN) Card Installing the Wireless Local Area Network (WLAN) Card Removing Wireless Wide Area Network (WWAN) Card (Optional) Installing the Wireless Wide Area Network (WWAN) Card (Optional) Removing the Processor Fan Installing the Processor Fan Removing the Video-Card Fan Installing the Video-Card Fan Removing the Coin-Cell Battery Installing the Coin-Cell Battery Removing the Palmrest Page Page Removing the ExpressCard Module Installing the ExpressCard Module Removing the Processor Heat-Sink Installing the Processor Heat-Sink Removing the Processor Installing the Processor Removing The Video-Card Heat Sink Page Installing the Video-Card Heat Sink Removing the Video Card Installing the Video Card Removing the Input/Output (I/O) Board Page Removing the Switch Board Installing the Switch Board Removing the Unified Security Hub (USH) Board Installing the USH Board Removing the Display Assembly Page Installing the Display Assembly Removing the Hinge Cover Installing the Hinge Cover Removing the System Board Page Installing the System Board Removing the Power-Connector Port Installing the Power-Connector Port Removing the Display Bezel Page Removing the Display Panel Page Page Installing the Display Panel Removing the Camera Installing the Camera Page System Setup Boot Sequence Navigation Keys System Setup Options Page Page Page Page Page Page Page Page Page Updating the BIOS System and Setup Password Assigning a System Password and Setup Password Deleting or Changing an Existing System and/or Setup Password Page Diagnostics Enhanced Pre-Boot System Assessment (ePSA) Diagnostics Page Troubleshooting Your Computer Device Status Lights Battery Status Lights Technical Specification Page Page Page Page Page Page Page Page Contacting Dell Contacting Dell