- Notes, cautions, and warnings
- Views of Latitude 5455
- Set up your Latitude 5455
- Specifications of Latitude 5455
- Dimensions and weight
- Processor
- Chipset
- Operating system
- Memory
- External ports
- Internal slots
- Wireless module
- Audio
- Storage
- Media-card reader
- Keyboard
- Camera
- Touchpad
- Power adapter
- Battery
- Fingerprint reader
- Display
- GPU—Integrated
- External display support
- Sensor
- Hardware security
- Operating and storage environment
- Dell support policy
- Using the privacy shutter
- Dell Optimizer
- Working inside your computer
- Removing and installing Customer Replaceable Units (CRUs)
- Removing and installing Field Replaceable Units (FRUs)
- Software
- BIOS Setup
- Troubleshooting
- Handling swollen rechargeable Li-ion batteries
- Locating the Service Tag or Express Service Code of your Dell computer
- Dell SupportAssist Pre-boot System Performance Check diagnostics
- Built-in self-test (BIST)
- System-diagnostic lights
- Backup media and recovery options
- Wi-Fi power cycle
- Drain residual flea power (perform hard reset)
- Getting help and contacting Dell
- Revision history
Latitude 5455 Owner's Manual
Installing the WLAN-antenna module
CAUTION:The information in this installation section is intended for authorized service technicians only.
Prerequisites
About this task
The following images indicate the location of the WLAN-antenna module and provide a visual representation of the installation procedure.
Steps
- Route the WLAN-antenna cables along the routing guides on the palm-rest and keyboard assembly.
NOTE:Ensure that you route the antenna cables along its routing guides under the heat sink.
Figure 2. Installing WLAN-antenna cables 
- Place the WLAN-antenna module in the slot on the palm-rest and keyboard assembly.
- Align the screw hole on the WLAN-antenna module with the screw hole on the palm-rest and keyboard assembly.
- Replace the screw (M2x2.5) that secures the WLAN-antenna module to the palm-rest and keyboard assembly.
- Adhere the tape that secures the antenna cables to the palm-rest and keyboard assembly.
- Connect the WLAN-antenna cables to the connectors (B and W) on the WLAN module.
The following table provides the WLAN-antenna cables color scheme for the WLAN module that is supported for your computer.
Table 1. Antenna-cable color schemeThe following table provides the antenna-cable color scheme for the WLAN module of your computer. Connectors on the wireless card Antenna-cable color Silkscreen marking Main White W Auxiliary Black B - Move and adhere the coin-cell battery and route the coin-cell battery cable through the routing guide on the palm-rest and keyboard assembly.
- Route the I/O-board cable through the routing guides on the palm-rest and keyboard assembly.
- Connect the I/O-board cable to the connector (JIO1) on the system board.
- Align and slide the WLAN-thermal shield to the right until the screw hole on the WLAN-thermal shield aligns with the screw hole on the system board.
NOTE:The WLAN-thermal shield includes a thermal pad that is attached to the bottom of the shield. Ensure that you adhere the thermal pad back to its location if it is displaced during the removal procedure.
Figure 3. Thermal pad below the WLAN-thermal shield 
Figure 4. Installing the WLAN-thermal shield 
- Replace the screw (M2x2.5) that secures the WLAN-thermal shield to the WLAN module.
Next steps
- Install the fan.
- Install the base cover.
- Follow the procedure in After working inside your computer.
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