Before you begin this process, make sure to back up your data, be sure the laptop is off and disconnected from its power source and all external peripherals are removed to prevent eddy static electricity. Use an anti static wrist strap or touch a grounded metal object before handling the device.
If possible work on an anti static mat or table, you'll need a small Phillips head screwdriver, a plastic scribe and a small flat head screwdriver to complete this removal. Once you've completed the previous steps, turn the system over on its closed lid and loosen the eight captive screws securing the access panel with the system turned over on its lid.
The battery is located on the bottom right hand side of the system disconnect the battery cable from the motherboard loosen the single captive screw on the right hand side of the battery, lift the battery up and away from the laptop with the computer turned over on its closed lid.
The WLAN card is between the SSD and coin cell battery on the left hand side of the system, remove the single screw that secures the card bracket to the system. Remove the metallic bracket from the top of the antenna cables, the card will pop up at an angle disconnect the antenna cables pop connectors from the press studs on the card, pull the WLAN card out of the connector on the motherboard to reinstall the WLAN card, insert it into the connector on the motherboard.
Connect the WLAN antenna cables to the connectors on the card, secure the antenna cables to the card with the bracket. Replace the single screw to secure the WLAN card bracket to the card. And motherboard.
