- Notes, cautions, and warnings
- Notes, cautions, and warnings
- Working on your computer
- Exploded View
- Disassembly and reassembly
- Troubleshooting
- Handling swollen Lithium-ion batteries
- Dell SupportAssist Pre-boot System Performance Check diagnostics
- System diagnostic lights
- Real-Time Clock (RTC Reset)
- Updating the BIOS in Windows
- Updating the BIOS using the USB drive in Windows
- Backup media and recovery options
- WiFi power cycle
- Drain residual flea power (perform hard reset)
- Getting help and contacting Dell
Vostro 3405 Service Manual
Removing the I/O board
Prerequisites
- Follow the procedure in Before working inside your computer.
- Remove the SD card.
- Remove the base cover.
- Disconnect the battery.
About this task
The following images indicate the location of the I/O board and provides a visual representation of the removal procedure.
Steps
- Open the latch and disconnect the fingerprint-reader board cable from the I/O board, if applicable.
- Open the latch and disconnect the I/O-board power cable from the I/O board.
- Open the latch and disconnect the fingerprint-reader cable from the I/O board, if applicable.
- Open the latch and disconnect the I/O-board cable from the I/O board.
- Remove the four screws (M2x4) that secure the I/O board to the palm-rest and keyboard assembly.
- Lift the I/O board off the palm-rest and keyboard assembly.
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