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
● Read the current amount of memory or set the type of hard drive installed.
Before you use System Setup, it is recommended that you write down the System Setup screen information for future
reference.
CAUTION: Unless you are an expert computer user, do not change the settings for this program. Certain
changes can cause your computer to work incorrectly.
Accessing System Setup
1. Turn on (or restart) your computer.
2. After the white Dell logo appears, press F2 immediately.
The System Setup page is displayed.
NOTE: If you wait too long and the operating system logo appears, wait until you see the desktop. Then, shut down or
restart your computer and try again.
NOTE: After the Dell logo appears, you can also press F12 and then select BIOS setup.
General screen options
This section lists the primary hardware features of your computer.
Option
Description
System
Information
This section lists the primary hardware features of your computer.
● System Information: Displays BIOS Version, Service Tag, Asset Tag, Ownership Tag, Ownership Date,
Manufacture Date, and the Express Service Code.
● Memory Information: Displays Memory Installed, Memory Available, Memory Speed, Memory Channels
Mode, Memory Technology, DIMM ASize, DIMM B Size,
● Processor Information: Displays Processor Type, Core Count, Processor ID, Current Clock Speed,
Minimum Clock Speed, Maximum Clock Speed, Processor L2 Cache, Processor L3 Cache, HT Capable,
and 64-Bit Technology.
● Device Information: Displays Primary Hard Drive, M.2 SATA2, M.2 SATA, M.2 PCIe SSD-0, LOM MAC
Address, Video Controller, Video BIOS Version, Video Memory, Panel Type, Native Resolution, Audio
Controller, Wi-Fi Device, WiGig Device, Cellular Device, Bluetooth Device.
Battery
Information
Displays the battery status and the type of AC adapter connected to the computer.
Boot Sequence Allows you to change the order in which the computer attempts to find an operating system.
● Diskette Drive
● Internal HDD
● USB Storage Device
● CD/DVD/CD-RW Drive
● Onboard NIC
Advanced Boot
Options
This option allows you the legacy option ROMs to load. By default, the Enable Legacy Option ROMs is
disabled.
UEFI Boot Path
Security
This options controls whether or not the system will prompt the user to enter the Admin password when
booting a UEFI boot path from the F12 Boot Menu.
● Always, Except Internal HDD (enabled by default)
● Always
● Never
Date/Time Allows you to change the date and time.
74 System setup options