Owners Manual
Table Of Contents
- Latitude 5520 Service Manual
- Contents
- Working inside your computer
- Major components of your computer
- Removing and installing components
- Recommended tools
- Screw list
- Subscriber Identity Module (SIM) card
- Micro Secure Digital (SD) Card
- Base cover
- WLAN card
- WWAN card
- Solid-state drive
- Memory modules
- Battery
- Battery cable
- Assembly inner frame
- LED board
- System fan
- Heat sink
- Removing the heat sink (for computers shipped with integrated graphics card)
- Installing the heat sink (for computers shipped with integrated graphics card)
- Removing the heat sink (for computers shipped with discrete graphics card)
- Installing the heat sink (for computers shipped with discrete graphics card)
- Speakers
- System board
- Power-button board
- Smart card reader
- Keyboard assembly
- Keyboard bracket
- Display assembly
- Display bezel
- Display panel
- Camera/microphone module
- eDP/display cable
- Sensor board
- Display hinges
- Display back cover
- Dummy SIM-card slot filler
- Palm-rest assembly
- Software
- BIOS setup
- Troubleshooting
- Getting help and contacting Dell
3. Press any key to continue.
NOTE:
The Service Mode procedure automatically skips this step if the Owner Tag of the system is not set up in
advance by the manufacturer.
4. When the ready-to-proceed message appears on the screen, press any key to proceed. The system emits three short beeps
and shuts down immediately.
NOTE:
If the AC adapter has not been disconnected, a message prompting you to remove the AC adapter appears on
the screen. Remove the AC adapter and then press any key to continue the Service Mode procedure.
Working inside your computer 9