Removing Modem card if applicable.

Locate Modem bay on the middle left of the laptop next to the cooling assembly.

Disconnect the ribbon cable by unlocking the two side pressure pins, then pulling the ribbon cable free little force is necessary.

Remove 1 screw using a #0 Philip Screwerdriver.

Pull the modem card out but be careful because there is another cable underneath it.

Remove the 2 pin cable from underneath from the 2 pin header found on the modem card's PCB.