Dell Latitude 7430 Service Manual

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
BitLocker..........................................................................................................................................................................9
Chapter 2: Removing and installing components.......................................................................... 10
Recommended tools..........................................................................................................................................................10
Screw list............................................................................................................................................................................. 10
Major components of Latitude 7430..............................................................................................................................11
microSIM-card tray............................................................................................................................................................13
Removing the microSIM-card tray ..........................................................................................................................13
Installing the microSIM-card tray ............................................................................................................................14
Base cover........................................................................................................................................................................... 14
Removing the base cover ......................................................................................................................................... 14
Installing the base cover ............................................................................................................................................17
M.2 solid-state drive (for clamshell computers)........................................................................................................ 19
Removing the M.2 2230 solid-state drive (for computers shipped without a thermal plate) ................. 19
Installing the M.2 2230 solid-state drive (for computers shipped without a thermal plate) ...................20
Removing the M.2 2230 solid-state drive (for computers shipped with a thermal plate) .......................22
Installing the M.2 2230 solid-state drive (for computers shipped with a thermal plate) ......................... 23
Removing the M.2 2280 solid-state drive ............................................................................................................24
Installing the M.2 2280 solid-state drive ..............................................................................................................25
M.2 solid-state drive (for 2-in-1 computers)..............................................................................................................26
Removing the M.2 2230 solid-state drive (for computers shipped with a thermal plate) .......................26
Installing the M.2 2230 solid-state drive (for computers shipped with a thermal plate) ......................... 27
Removing the M.2 2280 solid-state drive ............................................................................................................29
Installing the M.2 2280 solid-state drive ..............................................................................................................30
WWAN card.........................................................................................................................................................................31
Removing the 4G WWAN card ................................................................................................................................ 31
Installing the 4G WWAN card ..................................................................................................................................32
Removing the 5G WWAN card ............................................................................................................................... 35
Installing the 5G WWAN card ................................................................................................................................. 36
Battery................................................................................................................................................................................. 38
Lithium-ion battery precautions...............................................................................................................................38
Removing the 3-cell battery ....................................................................................................................................39
Installing the 3-cell battery ...................................................................................................................................... 40
Removing the 4-cell battery ....................................................................................................................................42
Installing the 4-cell battery ...................................................................................................................................... 43
Thermal module................................................................................................................................................................. 45
Contents
Contents 3

Dell Latitude 7430 Specifications

General

Processor	12th Gen Intel Core i5/i7
RAM	Up to 32GB DDR4
Graphics	Intel Iris Xe Graphics
Bluetooth	Bluetooth 5.2
Display	14-inch FHD (1920 x 1080)
Storage	Up to 1TB SSD
Operating System	Windows 11 Pro
Battery	4-cell 58 Whr
Ports	HDMI 2.0
Wireless	Wi-Fi 6E (802.11ax)
Security	Fingerprint reader, Smart Card reader, TPM 2.0