Owners Manual
Table Of Contents
- Latitude 3490 Owner’s Manual
- Contents
- Working on your computer
- Disassembly and reassembly
- Recommended tools
- Screw size list
- SIM tray – optional
- SD card
- Base Cover
- Battery
- WLAN Card
- WWAN card – optional
- VGA board
- Memory Module
- Power button board
- Heat sink
- System Fan
- M2. SATA Solid State Drive (SSD)
- Hard drive
- Input-Output board, SD card and coin cell battery holder
- Fingerprint reader – optional
- Coin cell battery
- Speakers
- Touchpad panel
- Display assembly
- System board
- DC-In Port
- Display hinge cover
- LCD Bezel
- Camera
- LCD Panel
- eDP and camera cable
- LCD Hinge
- Palmrest
- Technical specifications
- Processor
- Memory
- Storage specifications
- Audio specifications
- Video specifications
- Webcam specifications
- Wired communications
- Wireless communications
- Ports and Connectors
- Display specifications
- Keyboards Hot Key Definitions
- Touchpad
- Battery specifications
- Adapter options
- System dimensions
- Security options
- Operating conditions
- Technology and components
- System setup options
- BIOS overview
- Entering BIOS setup program
- Navigation keys
- One time boot menu
- System Setup overview
- Accessing System Setup
- General screen options
- System Configuration screen options
- Video screen options
- Security screen options
- Secure Boot screen options
- Intel Software Guard Extensions screen options
- Performance screen options
- Power management screen options
- POST behavior screen options
- Virtualization support screen options
- Wireless screen options
- Maintenance screen options
- System logs screen options
- SupportAssist system resolution
- Verifying system memory in system setup BIOS
- Updating the BIOS
- System and setup password
- Clearing CMOS settings
- Clearing BIOS (System Setup) and System passwords
- Software
- Troubleshooting
- Contacting Dell
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