- Notes, cautions, and warnings
- Working on your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of your system
- SIM card tray
- Micro Secure Digital (SD) Card
- Base cover
- Wireless card
- Wireless Wide Area Network (WWAN) Card
- Solid-state drives
- Memory
- Dummy hard-drive filler
- Hard-drive assembly
- Battery cable
- Battery
- Assembly inner frame
- LED board
- Heat sink
- Speakers
- USB type-C bracket
- System board
- Power-button board
- Smart card reader
- Coin-cell battery
- Keyboard assembly
- Keyboard bracket
- Display assembly
- Display bezel
- Display panel
- Camera/microphone module
- eDP/display cable
- Sensor board
- Display hinges
- Display back cover
- Dummy SIM-card slot filler
- Palm-rest assembly
- Drivers and downloads
- System setup
- Troubleshooting
- Handling swollen rechargeable Li-ion batteries
- 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
Latitude 5521 Service Manual
Installing the keyboard assembly
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
NOTE: The system board can be installed with the heat sink attached in order to simplify the procedure and preserve the thermal bond between the system board and heat sink.
The following image indicates the location of the keyboard assembly and provides a visual representation of the installation procedure.
Steps
- Align and place the keyboard assembly on the palm-rest assembly.
- Replace the twenty seven (M2x2) screws that secure the keyboard assembly to the palm-rest.
- Connect the keyboard cable and keyboard backlit cable to its connectors on the touchpad.
NOTE: For models shipped with a USH module, connect the USH cable to the keyboard bracket.
Next steps
- Install the system board.
- Install the assembly inner frame.
- Install the heat sink - UMA or discrete based on the system configuration.
- Install the battery.
- Install the WWAN card.
- Install the WLAN card.
- Install the 2280 solid-state drive or 2230 solid-state drive.
- Install the memory module.
- Install the base cover.
- Install the microSD card.
- Install the SIM card.
- Follow the procedure in After working inside your computer.
Please provide ratings (1-5 stars).
Please provide ratings (1-5 stars).
Please provide ratings (1-5 stars).
Please select whether the article was helpful or not.
Comments cannot contain these special characters: <>()\