- 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 base cover
Prerequisites
- Follow the procedure in Before working inside your computer.
- Remove the SD card.
About this task
NOTE Before removing the base cover, ensure that there is no SD card installed in the SD card slot on your computer.
The following images indicate the location of the base cover and provides a visual representation of the removal procedure.
Steps
- Remove the seven screws (M2.5x5) that secure the base cover to the palm-rest and keyboard assembly.
- Loosen the two captive screws.
- Using a plastic scribe, pry the base cover from the bottom left and continue to work on the sides to open the base cover.
- Lift and slide the base cover off the palm-rest and keyboard assembly.
- Disconnect the battery cable from the system board.
- Press and hold the power button for five seconds to ground the computer and drain the flea power.
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