This step is only necessary for the AN515-52-50WX and AN515-52-73LN models, unless you have added another drive to the AN515-52-78AS model.

Remove the four 4 mm Phillips #0 screws that secure the drive tray.

Using the silver tab located on the top of the drive tray, gently lift the drive tray out of the laptop and rest it towards the back of the device.

Gently remove the SATA connector located on the bottom of the drive by pulling directly away from the drive whilst gripping the plastic connector not the wire.