- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of Inspiron 14 5402
- Base cover
- Battery
- Memory module
- Solid-state drive—M.2 slot one
- Solid-state drive—M.2 slot two
- Removing the M.2 2230 solid-state drive from M.2 slot two
- Installing the M.2 2230 solid-state drive in M.2 slot two
- Removing the M.2 2280 solid-state drive/Intel Optane storage from M.2 slot two
- Installing the M.2 2280 solid-state drive/Intel Optane storage in M.2 slot two
- Installing the solid-state drive bracket
- WLAN card
- Fan
- Coin-cell battery
- Power-adapter port
- Display assembly
- I/O board
- Touchpad
- Speakers
- Heat sink
- Power button with optional fingerprint reader
- System board
- Palm-rest and keyboard assembly
- Drivers and downloads
- System setup
- Troubleshooting
- Handling swollen Lithium-ion batteries
- Locate the Service Tag or Express Service Code of your Dell computer
- SupportAssist diagnostics
- Built-in self-test (BIST)
- Recovering the operating system
- System diagnostic lights
- Enabling Intel Optane memory
- Disabling Intel Optane memory
- WiFi power cycle
- Drain residual flea power (perform hard reset)
- Getting help and contacting Dell
Inspiron 14 5402 Service Manual
Installing the WLAN card
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 WLAN card and provides a visual representation of the installation procedure.
Steps
- Connect the antenna cables to the WLAN card.
The following table provides the antenna-cable color scheme for the wireless card that is supported by your computer.
Table 1. Antenna-cable color schemeThe following table provides the antenna-cable color scheme for the WLAN card of your computer. Connectors on the wireless card Antenna-cable color Silkscreen marking Main White MAIN △ (white triangle) Auxiliary Black AUX ▲ (black triangle) - Align the notch on the WLAN card with the tab on the WLAN-card slot and insert the WLAN card at an angle into the WLAN-card slot.
- Place the WLAN-card bracket on the WLAN card.
- Align the screw hole on the WLAN-card bracket and the screw hole on the system board.
- Replace the screw (M2x3) that secures the WLAN card to the system board.
Next steps
- Install the base cover.
- Follow the procedure in After working inside your computer.
Please provide ratings (1-5 stars).
Please provide ratings (1-5 stars).
Please provide ratings (1-5 stars).
Please select whether the article was helpful or not.
Comments cannot contain these special characters: <>()\