Dell Latitude 3490 - Default Chapter; Table of Contents

Chapter 1: Working on your computer............................................................................................7
Safety precautions.............................................................................................................................................................. 7
Electrostatic discharge—ESD protection................................................................................................................7
ESD field service kit ..................................................................................................................................................... 8
Transporting sensitive components.......................................................................................................................... 9
Before working inside your computer.............................................................................................................................9
After working inside your computer................................................................................................................................9
Chapter 2: Disassembly and reassembly....................................................................................... 11
Recommended tools...........................................................................................................................................................11
Screw size list......................................................................................................................................................................11
SIM tray – optional............................................................................................................................................................ 12
Removing the SIM tray – WWAN models.............................................................................................................. 12
Installing the SIM tray – WWAN models................................................................................................................ 12
SD card................................................................................................................................................................................. 13
Removing the SD card................................................................................................................................................ 13
Installing the SD card.................................................................................................................................................. 13
Base Cover.......................................................................................................................................................................... 13
Removing the base cover...........................................................................................................................................13
Installing base cover.................................................................................................................................................... 16
Battery..................................................................................................................................................................................16
Lithium-ion battery precautions............................................................................................................................... 16
Removing battery.........................................................................................................................................................17
Installing the battery....................................................................................................................................................18
WLAN Card..........................................................................................................................................................................18
Removing the WLAN card..........................................................................................................................................18
Installing the WLAN card............................................................................................................................................19
WWAN card – optional..................................................................................................................................................... 19
Removing the WWAN daughterboard.....................................................................................................................19
Installing the WWAN daughterboard...................................................................................................................... 20
VGA board...........................................................................................................................................................................20
Removing VGA board................................................................................................................................................. 20
Installing VGA board.................................................................................................................................................... 21
Memory Module..................................................................................................................................................................21
Removing the memory module................................................................................................................................. 21
Installing the memory module...................................................................................................................................22
Power button board..........................................................................................................................................................22
Removing power button board.................................................................................................................................22
Installing power button board...................................................................................................................................23
Heat sink..............................................................................................................................................................................23
Removing the heatsink...............................................................................................................................................23
Installing the heatsink.................................................................................................................................................25
System Fan......................................................................................................................................................................... 25
Removing the system fan..........................................................................................................................................25
Contents
Contents 3