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
Table 1. Latitude 5520 screw list (continued)
Component Screw type Quantity Screw image
Display hinge M2.5x3.5 (display hinge to
display back cover)
4
Display panel M2.5x3.5 4
Subscriber Identity Module (SIM) card
Removing the SIM card
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Enter service mode.
NOTE: SIM card or SIM card tray removal is only available on systems that are shipped with WWAN module. The procedure
for removal is only applicable for systems that are shipped with a WWAN module.
CAUTION: Removing the SIM card with the computer turned on, may cause data loss or damage to the card.
Ensure that your computer is turned off or the network connections are disabled.
About this task
The following images indicate the location of the SIM card and provide a visual representation of the removal procedure.
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Removing and installing components