- Notes, cautions, and warnings
- Working on your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of your system
- SIM card tray
- MicroSD card
- Base cover
- WWAN card
- Solid-state drive
- Speakers
- System board
- I/O daughter board power cable
- I/O daughter board
- Power button
- Power button with finger print reader (optional)
- Battery
- Smart card reader
- System board
- Display assembly
- Keyboard assembly
- Palmrest assembly
- Software
- System setup
- Troubleshooting
- Getting help and contacting Dell
Latitude 9520/Latitude 9520 2-in-1 Service Manual
Installing the I/O board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the I/O board and provides a visual representation of the installation procedure.
Steps
- Align and place the I/O board on the system.
- Replace the four (M1.6x3.5) screws to secure the I/O daughter board in place.
- Connect the LED board cable, fingerprint reader cable, and I/O daughter board data cable to the connectors on the I/O board.
Next steps
- Install the I/O daughter board cable.
- Install the system board.
- Install the base cover.
- Install the SIM card tray.
- Install the microSD card.
- Follow the procedure in After working inside your computer.
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