Dell Latitude 7400 2-in-1 Service Manual

Chapter 1: Working on your computer........................................................................................... 6
Safety instructions.............................................................................................................................................................. 6
Turning off your computer — Windows 10...................................................................................................................6
Before working inside your computer............................................................................................................................. 7
After working inside your computer................................................................................................................................7
Chapter 2: Technology and components........................................................................................ 8
USB features........................................................................................................................................................................ 8
USB Type-C........................................................................................................................................................................ 10
HDMI 1.4a..............................................................................................................................................................................11
Corning Gorilla Glass......................................................................................................................................................... 12
Benefits...........................................................................................................................................................................12
Chapter 3: Major components of your system ............................................................................. 15
Chapter 4: Removing and installing components.......................................................................... 17
Recommended tools.......................................................................................................................................................... 17
Screw List............................................................................................................................................................................ 17
SD memory card.................................................................................................................................................................18
Removing the SD memory card................................................................................................................................ 18
Installing the SD memory card.................................................................................................................................. 19
SIM card tray......................................................................................................................................................................20
Removing the SIM card tray.....................................................................................................................................20
Installing the SIM card tray........................................................................................................................................21
Base cover.......................................................................................................................................................................... 22
Removing the base cover..........................................................................................................................................22
Installing the base cover............................................................................................................................................ 26
Battery cable...................................................................................................................................................................... 30
Disconnecting the battery cable..............................................................................................................................30
Connecting the battery cable....................................................................................................................................31
Coin cell............................................................................................................................................................................... 32
Removing the coin cell battery................................................................................................................................ 32
Installing the coin-cell battery.................................................................................................................................. 33
Solid state drive................................................................................................................................................................. 34
Removing the solid state drive.................................................................................................................................34
Installing the solid state drive...................................................................................................................................36
WLAN card..........................................................................................................................................................................38
Removing the WLAN card.........................................................................................................................................38
Installing the WLAN card........................................................................................................................................... 39
WWAN card........................................................................................................................................................................ 40
Removing the WWAN card....................................................................................................................................... 40
Installing the WWAN card......................................................................................................................................... 42
Fan........................................................................................................................................................................................ 44
Removing the fan........................................................................................................................................................ 44
Contents
Contents 3

Dell Latitude 7400 2-in-1 Specifications

General

Storage	Up to 1TB PCIe NVMe SSD
Graphics	Intel UHD Graphics 620
Operating System	Windows 10 Pro
Processor	8th Generation Intel Core i5/i7
Display	14.0-inch FHD (1920 x 1080) Touchscreen
RAM	Up to 16GB
Battery	4-cell 52 Whr Integrated Battery
Weight	Starting at 1.36 kg (3.0 lbs)
Ports	1 x HDMI, 1 x microSD card reader, 1 x headphone/microphone combo jack
Wireless	Bluetooth 5.0
Dimensions	0.59 inches (14.89 mm)