Dell Latitude 7430 Service Manual

Removing the thermal module ................................................................................................................................ 45
Installing the thermal module .................................................................................................................................. 46
WLAN-antenna module....................................................................................................................................................48
Removing the WLAN-antenna module ..................................................................................................................48
Installing the WLAN-antenna module ....................................................................................................................49
Coin-cell battery.................................................................................................................................................................51
Removing the coin-cell battery ............................................................................................................................... 51
Installing the coin-cell battery ................................................................................................................................. 51
Display assembly................................................................................................................................................................52
Removing the display assembly .............................................................................................................................. 52
Installing the display assembly ................................................................................................................................ 56
Audio daughter-board....................................................................................................................................................... 61
Removing the audio daughter-board ..................................................................................................................... 61
Installing the audio daughter-board .......................................................................................................................62
Speakers.............................................................................................................................................................................. 63
Removing the speakers .............................................................................................................................................63
Installing the speakers ...............................................................................................................................................64
Smart card reader............................................................................................................................................................. 66
Removing the smart card reader ............................................................................................................................66
Installing the smart card reader ..............................................................................................................................68
System board...................................................................................................................................................................... 71
Removing the system board .....................................................................................................................................71
Installing the system board ...................................................................................................................................... 78
I/O daughter-board.......................................................................................................................................................... 85
Removing the I/O daughter-board ........................................................................................................................ 85
Installing the I/O daughter-board ...........................................................................................................................87
Power button with optional fingerprint reader.......................................................................................................... 88
Removing the power button with optional fingerprint reader .........................................................................88
Installing the power button with optional fingerprint reader ...........................................................................89
Keyboard............................................................................................................................................................................. 90
Removing the keyboard ............................................................................................................................................90
Installing the keyboard .............................................................................................................................................. 92
Palm-rest assembly...........................................................................................................................................................95
Removing the palm-rest assembly .........................................................................................................................95
Installing the palm-rest assembly ........................................................................................................................... 96
Chapter 3: Drivers and downloads............................................................................................... 98
Chapter 4: BIOS setup.................................................................................................................99
BIOS overview................................................................................................................................................................... 99
Entering BIOS setup program........................................................................................................................................ 99
Navigation keys..................................................................................................................................................................99
One time boot menu....................................................................................................................................................... 100
System setup options.....................................................................................................................................................100
Updating the BIOS............................................................................................................................................................ 111
Updating the BIOS in Windows................................................................................................................................111
Updating the BIOS in Linux and Ubuntu................................................................................................................ 111
Updating the BIOS using the USB drive in Windows..........................................................................................111
Updating the BIOS from the F12 One-Time boot menu....................................................................................112
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Contents

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