HP ENVY 15-q400 ENVY Notebook Maintenance and Service Guide - Page 37

WLAN module, Close the computer.

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WLAN module Description Intel Dual Band Wireless-AC 3160 802.11ac 1×1 WiFi + BT 4.0 Combo Adapter Intel Dual Band Wireless-AC 3165 802.11 ac 1x1 WiFi + BT 4.0 Combo Adapter Combo Adapter Spare part number 710662-001 806723-001 CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless 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. 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 Battery on page 28). Remove the WLAN module: 1. Close the computer. 2. Turn the computer upside down with the front toward you. 3. Loosen the Phillips PM2.5×5.0 captive screw (1) that secures the service cover to the computer. 4. Lift the back edge of the service cover (2) until it detaches from the computer. 5. Remove the service cover (3). The service cover is available using spare part number 812187-001. Component replacement procedures 29

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WLAN module
Description
Spare part number
Intel Dual Band Wireless-AC 3160 802.11ac 1×1 WiFi + BT 4.0 Combo Adapter
710662-001
Intel Dual Band Wireless-AC 3165 802.11 ac 1x1 WiFi + BT 4.0 Combo Adapter Combo Adapter
806723-001
CAUTION:
To prevent an unresponsive system, replace the wireless module only with a wireless 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.
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
Battery
on page
28
).
Remove the WLAN module:
1.
Close the computer.
2.
Turn the computer upside down with the front toward you.
3.
Loosen the Phillips PM2.5×5.0 captive screw
(1)
that secures the service cover to the computer.
4.
Lift the back edge of the service cover
(2)
until it detaches from the computer.
5.
Remove the service cover
(3)
.
The service cover is available using spare part number 812187-001.
Component replacement procedures
29