Wlan Module - HP ENVY 14 Maintenance And Service Manual

2. Remove the Phillips PM4.5x2.0 broadhead screw (1) that secures the fingerprint reader bracket
to the top cover. Remove the bracket (2), and then remove the fingerprint reader (3) (the cable
was disconnected from the system board when removing the top cover).
Reverse this procedure to install the fingerprint reader.

WLAN module

Description
Broadcom BCM43142 802.11 bgn 1x1 Wi-Fi + BT 4.0 HMC combo adapter
Intel Dual Band Wireless-AC 3160 802.11 ac 1x1 WiFi + BT 4.0 combo adapter
Qualcomm Atheros AR9485 802.11 bgn 1x1 Wi-Fi adapter
Before removing the WLAN module, follow these steps:
1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
a. Optical drive (see
b. Top cover (see
CAUTION:
module authorized for use in the computer by the governmental agency that regulates wireless
devices in your country or region. If you replace the module and then receive a warning message,
remove the module to restore device functionality, and then contact technical support.
46 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
Battery on page
Optical drive on page
Top cover on page
To prevent an unresponsive system, replace the wireless module only with a wireless
29), and then remove the following components:
29)
37)
Spare part number
753076-005
710662-005
675794-005