- Notes, cautions, and warnings
- Views of Latitude 5540
- Set up your Latitude 5540
- Specifications of Latitude 5540
- Dimensions and weight
- Processor
- Chipset
- Operating system
- Memory
- External ports and slots
- Internal slots
- Ethernet
- Wireless module
- WWAN module
- Audio
- Storage
- Media-card reader
- Keyboard
- Keyboard function keys
- Camera
- Touchpad
- Power adapter
- Battery
- Display
- Fingerprint reader (optional)
- Sensor
- GPU—Integrated
- GPU—Discrete
- External display support
- Hardware security
- Smart-card reader
- Operating and storage environment
- Dell support policy
- ComfortView Plus
- Using the privacy shutter
- Dell Optimizer
- Working inside your computer
- Removing and installing Customer Replaceable Units (CRUs)
- SIM card tray (optional)
- Removing the SIM card tray
- Installing the SIM card tray
- SIM card
- Base cover
- Wireless card
- WWAN card (Optional)
- Memory module
- Solid-state drive
- Removing the M.2 2230 solid-state drive from Slot 1
- Installing the M.2 2230 solid-state drive in Slot 1
- Removing the M.2 2280 solid-state drive from Slot 1
- Installing the M.2 2280 solid-state drive in Slot 1
- Removing the M.2 2230 solid-state drive from Slot 2
- Installing the M.2 2230 solid-state drive in Slot 2
- Fan
- Removing and installing Field Replaceable Units (FRUs)
- Battery
- Assembly-inner frame
- Speakers
- Coin-cell battery
- Heat sink
- System board
- Power button
- Power button with optional fingerprint reader
- Keyboard
- Display assembly
- Display bezel
- Display panel
- Camera module
- Display hinges
- Display back cover
- Display cable
- Sensor board
- Fingerprint reader (optional)
- Smart-card reader
- Dummy SIM-card slot filler
- Palm-rest assembly
- Software
- BIOS Setup
- Troubleshooting
- Handling swollen rechargeable Li-ion batteries
- Locating the Service Tag or Express Service Code of your Dell computer
- Dell SupportAssist Pre-boot System Performance Check diagnostics
- Built-in self-test (BIST)
- System-diagnostic lights
- Recovering the operating system
- Real-Time Clock (RTC Reset)
- Backup media and recovery options
- Wi-Fi power cycle
- Drain residual flea power (perform hard reset)
- Getting help and contacting Dell
Latitude 5540 Owner's Manual
BitLocker
CAUTION:If BitLocker is not suspended before updating the BIOS, the Bitlocker key is not recognized the next time you reboot the computer. You will then be prompted to enter the recovery key to progress, and the system displays a prompt for the recovery key on each reboot. If the recovery key is not known, this can result in data loss or an operating system reinstall. For more information, see Knowledge Article:
updating the BIOS on Dell systems with BitLocker enabled.
The installation of the following components triggers BitLocker:
- Hard disk drive or solid-state drive
- System board
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