Dell Vostro 3902 Dell Vostro 3900/3902 Owners Manual - Page 3

Contents 1 Working on Your Computer 5 Before Working Inside Your Computer 5 Turning Off Your Computer...6 After Working Inside Your Computer 7 2 Removing and Installing Components 8 Recommended Tools...8 System Overview...8 Inside view ...8 Removing the Cover...9 Installing the Cover...9 Removing the Bezel...9 Installing the Bezel...10 Removing the Hard Drive...10 Installing the Hard Drive...11 Removing the Optical Drive...12 Installing the Optical Drive...12 Removing the Card Reader...13 Installing the Card Reader...13 Removing the Memory...13 Installing the Memory...14 Removing the Heatsink...14 Installing the Heatsink...14 Removing the Processor...15 Installing the Processor...15 Removing the Expansion Card(s)...15 Installing the Expansion Card(s)...16 Removing The Power Supply Unit (PSU 16 Installing the Power Supply Unit (PSU 17 Removing the Power Switch...18 Installing the Power Switch...18 Removing the Input/Output (I/O) Panel 19 Installing the Input/Output (I/O) Panel 20 Removing the System Fan...20 Installing the System Fan...20 Removing the System Board...21 Installing the System Board...21 System Board Components...22