- Notes, cautions, and warnings
- Working on your computer
- Technology and components
- Using your computer
- AC-DC Adapters
- Battery
- Processors
- Memory features
- Graphics options
- Corning Gorilla Glass
- Pen Usage
- Optical Disk Drive
- Media Card Readers
- UEFI BIOS
- Systems management - From on-premises to the cloud
- Trusted Platform Module
- Fingerprint Reader
- USB features
- USB Powershare
- USB Type-C
- Ethernet
- HDMI 2.0
- Removing and installing components
- Safety instructions
- Recommended tools
- Stylus
- SIM card
- Memory card
- Handle
- Latch Doors
- Battery
- Secondary SSD carrier
- Primary SSD carrier
- SSD
- HDD carrier
- Bottom Chassis Cover
- Keyboard
- WWAN card
- WLAN card
- Global Positioning System (GPS)
- Memory modules
- Coin-cell battery
- PCIe Heatsink Fan Assembly
- Primary SSD Rail
- Docking Port Assembly
- Heatsink Assembly
- Rear Input-Output Board
- Hinge Covers
- Display assembly
- LCD Bezel and Back Cover Assembly
- Microphone
- Camera
- Battery Bay
- Left I/O board
- Smart Card
- ExpressCard Reader
- Speaker
- System board
- Optical drive
- Bottom Base Assembly
- Diagnostics
- Getting help
Dell Latitude 7424 Rugged Extreme Service Manual
Enabling the Function (Fn) lock
- Press the Fn+Esc keys.
NOTE Other secondary function keys on the top row are not affected and requires the use of the Fn key.
- Press the Fn+Esc keys again to deactivate
the function lock feature.
The function keys return to the default actions.
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