User Manual
Table Of Contents
- Latitude 5490 Owner’s Manual
- Contents
- Working on your computer
- Removing and installing components
- Recommended tools
- Screw size list
- Subscriber Identity Module(SIM) board
- Base cover
- Battery
- Solid State Drive — optional
- Hard drive
- Coin-cell battery
- WLAN card
- WWAN card – optional
- Memory modules
- Keyboard lattice and Keyboard
- Heat sink
- System fan
- Power connector port
- Chassis frame
- SmartCard module
- Speaker
- System board
- Display hinge cover
- Display assembly
- Display bezel
- Display panel
- Display (eDP) cable
- Camera
- Display hinges
- Display back cover assembly
- Palm rest
- Technical specifications
- Technology and components
- System setup options
- BIOS overview
- Entering BIOS setup program
- Navigation keys
- One time boot menu
- Boot Sequence
- 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
- Performance screen options
- Power Management screen options
- POST Behavior screen options
- Manageability
- Virtualization support screen options
- Wireless screen options
- Maintenance screen options
- Updating the BIOS
- System and setup password
- Clearing CMOS settings
- Clearing BIOS (System Setup) and System passwords
- Software
- Troubleshooting
- Contacting Dell
Maintenance screen options........................................................................................................................................... 81
Updating the BIOS............................................................................................................................................................ 82
Updating the BIOS in Windows................................................................................................................................82
Updating the BIOS in Linux and Ubuntu................................................................................................................ 82
Updating the BIOS using the USB drive in Windows..........................................................................................82
Updating the BIOS from the F12 One-Time boot menu.....................................................................................83
System and setup password...........................................................................................................................................83
Assigning a system setup password....................................................................................................................... 84
Deleting or changing an existing system setup password.................................................................................84
Clearing CMOS settings.................................................................................................................................................. 84
Clearing BIOS (System Setup) and System passwords.......................................................................................... 85
Chapter 6: Software....................................................................................................................86
Operating system configurations.................................................................................................................................. 86
Drivers and downloads.....................................................................................................................................................86
Chapter 7: Troubleshooting......................................................................................................... 87
Handling swollen Lithium-ion batteries........................................................................................................................ 87
Enhanced Pre-Boot System Assessment ePSA diagnostics.................................................................................. 88
Running the ePSA Diagnostics.................................................................................................................................88
Built-in self-test (BIST)................................................................................................................................................... 89
M-BIST...........................................................................................................................................................................89
LCD Power rail test (L-BIST)................................................................................................................................... 89
LCD Built-in Self Test (BIST)................................................................................................................................... 90
System diagnostic lights..................................................................................................................................................90
Recovering the operating system.................................................................................................................................. 91
Real Time Clock reset....................................................................................................................................................... 91
Backup media and recovery options.............................................................................................................................92
WiFi power cycle............................................................................................................................................................... 92
Drain residual flea power (perform hard reset)......................................................................................................... 92
Chapter 8: Contacting Dell.......................................................................................................... 94
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Contents