Dell Precision 3440 Small Form Factor Service Manual - Page 3

Contents 1 Working on 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 After working inside your computer...8 2 Disassembly and reassembly...10 Recommended tools...10 Screw List...10 Side cover...10 Removing the side cover...10 Installing the side cover...12 Intrusion switch...13 Removing the intrusion switch...13 Installing the intrusion switch...13 Front bezel...14 Removing the front bezel...14 Installing the front bezel...15 Hard-drive assembly...16 Removing the 2.5 in. hard-disk drive assembly...16 Removing the hard-disk drive bracket...17 Installing the hard-disk drive bracket...18 Installing the 2.5 in. hard-disk drive assembly...19 Hard-drive and optical-drive module...20 Removing the hard-disk drive and optical-disk drive module 20 Installing the hard-disk drive and optical-disk drive module 23 Optical drive...25 Removing the slim optical-drive...25 Installing the slim optical-drive...26 Solid-state drive...27 Removing the M.2 2230 PCIe solid-state drive...27 Installing the M.2 2230 PCIe solid-state drive...27 Removing the M.2 2280 PCIe solid-state drive...28 Installing the M.2 2280 PCIe solid-state drive...29 WLAN card...30 Removing the WLAN card...30 Installing the WLAN card...31 SD card reader - optional...33 Removing the SD card reader...33 Installing the SD card reader...33 Expansion card...34 Removing the expansion card...34 Contents 3