Before replacing a wireless card, determine which form factor is required by the laptop by checking the label on the wireless card or the laptop documentation.
To remove and install a wireless card, follow these steps:
Step 1. Power off the laptop and disconnect the AC adapter.
Step 2. Locate the wireless card compartment on the bottom of the computer.
Step 3. Remove the cover if needed.
Step 4. Disconnect all wires, as shown in the figure, and remove any screws holding the wireless card in place.
Step 5. Slide the wireless card out of the compartment and remove it.
Step 6. Slide the wireless card into its compartment.
Step 7. Connect all wires and replace any screws holding the wireless card in place.
Step 8. Replace the cover if needed, including any screws holding it into place.
Step 9. Connect the AC adapter to the laptop and power on the computer.