Owners 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
1. Remove the base cover.
2. Disconnect the battery cable from the system board.
3. Remove the coin-cell battery.
4. Wait for one minute.
5. Replace the coin-cell battery.
6. Connect the battery cable to the system board.
7. Replace the base cover.
Clearing BIOS (System Setup) and System passwords
To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell.
NOTE: For information on how to reset Windows or application passwords, refer to the documentation accompanying
Windows or your application.
System setup options 85