Dell Vostro 3478 Vostro 14-3478 Owners Manual - Page 3

Contents 1 Working on your computer...6 Safety precautions...6 Electrostatic discharge-ESD protection...6 ESD field service kit ...7 Transporting sensitive components...8 Before working inside your computer...8 After working inside your computer...8 2 Disassembly and reassembly...9 Recommended tools...9 Screw size list...9 Battery...9 Removing the battery...9 Installing the battery...10 Optical drive...10 Removing the optical drive ...10 Removing the optical drive bracket...11 Installing the optical drive bracket...12 Installing the optical drive...12 Keyboard lattice and Keyboard...12 Removing the keyboard...12 Installing the keyboard...14 Base cover...14 Removing the base cover...14 Installing the base cover...17 Hard drive...17 Removing the hard drive assembly...17 Removing the hard drive from the hard drive bracket 18 Installing the hard drive into the hard drive bracket 19 Installing the hard drive assembly...20 Fingerprint reader...20 Removing the fingerprint reader...20 Installing the fingerprint reader...22 WLAN card...22 Removing the WLAN card...22 Installing the WLAN card...23 Memory modules...23 Removing the memory module...23 Installing the memory module...24 Coin-cell battery...24 Removing the coin cell battery...24 Installing the coin cell battery...25 Power button board...26 Removing the power button board...26 Contents 3