- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Drivers and downloads
- System setup
- Troubleshooting
- Handling swollen Lithium-ion batteries
- Locate the Service Tag or Express Service Code of your Dell computer
- System diagnostic lights
- SupportAssist diagnostics
- Built-in self-test (BIST)
- Recovering the operating system
- Wi-Fi power cycle
- Drain residual flea power (perform hard reset)
- Backup media and recovery options
- Real Time Clock—RTC reset
- Getting help and contacting Dell
XPS 15 9520 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.
NOTE: The I/O board consists of the SD-card reader and the audio board.
Steps
- Place the I/O board on the palm-rest and keyboard assembly.
- Connect the screw (M2x4) that secures the I/O board to the palm-rest and keyboard assembly.
- Align the screw hole on the USB Type-C port bracket with the screw hole on the system board.
- Connect the screw (M2x4) that secures the USB Type-C port bracket to the system board.
- Connect the I/O-board cable to the connector on the system board and I/O board.
NOTE: Ensure to connect IO marked side of the I/O-board cable to the I/O daughter board and the side marked MB to the system board.
Next steps
- Install the right fan.
- Install the base cover.
- Follow the procedure in After working inside your computer.
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