Service Manual
Table Of Contents
- Latitude 3520 Service Manual
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw List
- Major components of your system
- MicroSD-card
- SIM card tray
- Base cover
- Battery cable
- Battery
- Memory module
- M.2 solid-state drive thermal plate
- M.2 solid-state drive conversion bracket
- M.2 solid-state drive
- Hard-disk drive
- WLAN card
- WWAN card
- I/O cable
- Display assembly
- System fan
- Heatsink assembly
- Power adapter port
- Coin-cell battery
- USB cable
- Ethernet port
- I/O board
- Power-button board
- System board
- Speakers
- Touchpad
- WWAN I/O board
- Palmrest assembly
- Display bezel
- Display panel
- Camera
- Display cable
- Display back-cover
- Drivers and downloads
- System setup
- Troubleshooting
- Built-in self-test (BIST)
- LCD Built-in Self Test (BIST)
- Dell SupportAssist Pre-boot System Performance Check diagnostics
- Diagnostic LED behavior
- Diagnostic error messages
- System error messages
- Recovering the operating system
- Real-Time Clock (RTC Reset)
- Flashing the BIOS
- Backup media and recovery options
- WiFi power cycle
- Flea power release
- Getting help and contacting Dell
Steps
1. Lift the silver foil, align and place the hard-disk drive in the hard-disk drive bracket.
2. Install the four (M3x3) screws to secure the hard-disk drive to the hard-disk drive bracket.
3. Connect the hard-disk drive cable to the connector on the hard-disk drive bracket.
Next steps
1. Install the hard-disk drive.
2. Install the base cover.
3. Exit the service mode
4. Install the SIM card tray for 4G LTE enabled systems.
5. Install the microSD-card.
6. Follow the procedure in after working inside your computer.
Installing the hard-disk drive
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
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Removing and installing components