Dell Precision 5520 Owners Manual - Page 3

Contents 1 Working on your computer...5 Turning off Your Computer...5 Before working inside your computer...5 After working inside your computer...5 2 Chassis...7 System Overview...7 Hot key combinations...9 3 Disassembly and reassembly...11 Recommended Tools...11 Base cover...11 Removing the Base Cover...11 Installing the Base Cover...12 Battery...12 Lithium-ion battery precautions...12 Removing the Battery...13 Installing the Battery...13 PCIe Solid State Drive (SSD)...13 Removing the Solid State Drive (SSD)...13 Installing the solid-state drive...14 Hard drive...14 Removing the Hard Drive...14 Installing the Hard Drive...16 Speaker...16 Removing the Speakers ...16 Installing the Speakers...17 Coin-cell battery...17 Removing the Coin-Cell Battery...17 Installing the Coin-Cell Battery...18 Keyboard lattice and Keyboard...18 Removing the Keyboard...18 Installing the Keyboard...20 WLAN card...20 Removing the WLAN Card...20 Installing the WLAN Card...21 Memory modules...21 Removing the Memory Module(s)...21 Installing the Memory Module(s)...22 System fan...22 Removing the Fans ...22 Installing the Fans...23 Heat sink ...24 Removing the Heatsink...24 Contents 3