Service Manual
Table Of Contents
- XPS 15 9520 Service Manual
- Contents
- 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
- WiFi power cycle
- Drain residual flea power (perform hard reset)
- Backup media and recovery options
- Real Time Clock—RTC reset
- Getting help and contacting Dell
Steps
1. Place the I/O board on the palm-rest and keyboard assembly.
2. Connect the screw (M2x4) that secures the I/O board to the palm-rest and keyboard assembly.
3. Align the screw hole on the USB Type-C port bracket with the screw hole on the system board.
4. Connect the screw (M2x4) that secures the USB Type-C port bracket to the system board.
5. 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
1. Install the right fan.
2. Install the base cover.
3. Follow the procedure in After working inside your computer.
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Removing and installing components