- Notes, cautions, and warnings
- 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
Latitude 5490 Owner’s Manual
Clearing CMOS settings
CAUTION Clearing CMOS settings will reset the BIOS settings on your computer.
- Remove the base cover.
- Disconnect the battery cable from the system board.
- Remove the coin-cell battery.
- Wait for one minute.
- Replace the coin-cell battery.
- Connect the battery cable to the system board.
- Replace the base cover.
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