HP 15 - Manual (Page 57)

Remove the WLAN module:
1. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module.
NOTE: The 1/black WLAN antenna cable is connected to the WLAN module 1/Main terminal.
The 2/white WLAN antenna cable is connected to the WLAN module 2/Aux terminal.
2. Remove the Phillips screw (2) that secures the WLAN module to the system board. (The WLAN
module tilts up.)
Component replacement procedures 49