Dell OptiPlex 5090 Tower Service Manual - Page 3

Contents Chapter 1: Working inside your computer 6 Safety instructions...6 Before working inside your computer...6 Safety precautions...7 Electrostatic discharge-ESD protection...7 ESD field service kit ...8 Transporting sensitive components...9 After working inside your computer...9 Chapter 2: Removing and installing components 10 Recommended tools...10 Screw List...10 Major components of your system...11 Side cover...12 Removing the side cover...12 Installing the side cover...13 Front bezel ...15 Removing the front bezel...15 Installing the front bezel...15 Fan duct...16 Removing the fan duct...16 Installing the fan duct...17 Hard-drive assembly...18 Removing the 2.5-inch hard-drive assembly...18 Removing the 2.5-inch hard-disk drive bracket 19 Installing the 2.5-inch hard-disk drive bracket...20 Installing the 2.5-inch hard-drive assembly...21 3.5 in. hard-drive assembly...22 Removing the 3.5-inch hard-disk drive assembly 22 Installing the 3.5-inch hard-disk drive assembly 23 Solid-state drive...24 Removing the M.2 2230 PCIe solid-state drive 24 Installing the M.2 2230 PCIe solid-state drive...25 Removing the M.2 2280 PCIe solid-state drive 26 Installing the M.2 2280 PCIe solid-state drive...27 Memory module...28 Removing the memory module...28 Installing the memory module...29 SD card reader (optional)...30 Removing the SD card reader...30 Installing the SD card reader...31 Processor fan and heat-sink assembly...32 Removing the processor fan and heat-sink assembly 32 Installing the processor fan and heat-sink assembly 33 Contents 3