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. Disconnect the I/O-board cable from the system board and I/O board, then lift the I/O-board cable from the system board.
2. Remove the screw (M2x4) that secures the USB Type-C port bracket to the system board and lift the bracket off the I/O
board.
3. Remove the screw (M2x4) securing the IO daughter board in place.
4. Lift the I/O board off the palm-rest and keyboard assembly.
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.
Removing and installing components
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