- 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
- 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)
- Base cover
- Wireless card
- WWAN card (Optional)
- Memory modules
- 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
- Locate 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
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Vitajte v spoločnosti Dell!
Moje konto
- Zadávajte objednávky rýchlo a jednoducho
- Pozrite si svoje objednávky a sledujte priebeh doručenia
- Vytvorte si zoznam svojich produktov a majte ho vždy poruke
- Spravujte svoje lokality Dell EMC, produkty a kontaktné informácie na úrovni produktov pomocou Správy informácií o spoločnosti.
Latitude 5540 Owner's Manual
Clearing CMOS settings
About this task
CAUTION:Clearing CMOS settings will reset the BIOS settings on your computer.
Steps
- 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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