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
System fan
Removing the system fan
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM card.
3. Remove the microSD card.
4. Remove the base cover.
5. Remove the battery.
About this task
The following images indicate the location of the system fan and provide a visual representation of the removal procedure.
Steps
CAUTION:
Do not damage the thermal fan sponge during any replacement procedures. Damaging the sponge
reduces the effectiveness of the heat dispersion.
1. Disconnect the system-fan cable from the system board.
2. Remove the two screws (M2x3) that secure the system fan to the palm-rest assembly.
3. Lift the system fan, along with its cable, off the palm-rest assembly.
Installing the system fan
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the system fan and provide a visual representation of the installation procedure.
Removing and installing components
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