Dell Latitude 3420 User Manual

Chapter 1: Working inside your computer...................................................................................... 7
Safety instructions.............................................................................................................................................................. 7
Before working inside your computer....................................................................................................................... 7
Entering Service Mode................................................................................................................................................. 8
Exiting Service Mode.................................................................................................................................................... 8
Safety precautions........................................................................................................................................................ 8
Electrostatic discharge—ESD protection............................................................................................................... 9
ESD field service kit ..................................................................................................................................................... 9
Transporting sensitive components.........................................................................................................................10
After working inside your computer........................................................................................................................ 10
Chapter 2: Removing and installing components...........................................................................11
Recommended tools...........................................................................................................................................................11
Screw List.............................................................................................................................................................................11
Major components of your system................................................................................................................................ 13
MicroSD-card......................................................................................................................................................................14
Removing the microSD-card..................................................................................................................................... 14
Installing the MicroSD-card....................................................................................................................................... 15
SIM card tray...................................................................................................................................................................... 15
Removing the SIM card tray..................................................................................................................................... 15
Installing the SIM card tray........................................................................................................................................16
Base cover........................................................................................................................................................................... 17
Removing the base cover...........................................................................................................................................17
Installing the base cover.............................................................................................................................................19
Battery cable...................................................................................................................................................................... 20
Lithium-ion battery precautions...............................................................................................................................20
Removing the battery cable...................................................................................................................................... 21
Installing the battery cable........................................................................................................................................22
Memory module................................................................................................................................................................. 22
Removing the memory module.................................................................................................................................22
Installing the memory module...................................................................................................................................23
M.2 solid-state drive.........................................................................................................................................................25
Removing the M.2 2230 solid-state drive............................................................................................................. 25
Installing the M.2 2230 solid-state drive............................................................................................................... 25
Removing the M.2 2280 solid-state drive............................................................................................................. 26
Installing the M.2 2280 solid-state drive............................................................................................................... 27
M.2 solid-state drive conversion bracket....................................................................................................................28
Replacing the M.2 solid-state drive conversion bracket................................................................................... 28
M.2 solid-state drive conversion plate.........................................................................................................................29
Removing the M.2 solid-state drive conversion plate........................................................................................ 29
Installing the M.2 solid-state drive conversion plate.......................................................................................... 30
Hard-disk drive assembly................................................................................................................................................. 31
Removing the hard-disk drive assembly................................................................................................................. 31
Removing the hard-disk drive bracket .................................................................................................................. 32
Contents
Contents 3

Dell Latitude 3420 Specifications

General

Harmonized System (HS) code	84713000