HP ENVY 15-u400 Maintenance and Service Guide - Page 45

WLAN module

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WLAN module Description Intel Dual Band Wireless-AC 3160 802.11 ac 1x1 WiFi + BT 4.0 Combo Adapter Spare part number 784638-005 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 top cover (see Top cover on page 28). 5. Disconnect the battery. Remove the WLAN module: 1. Disconnect the WLAN antenna cables (1) from the terminal on the WLAN module. Component replacement procedures 37

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WLAN module
Description
Spare part number
Intel Dual Band Wireless-AC 3160 802.11 ac 1x1 WiFi + BT 4.0 Combo Adapter
784638–005
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 top cover (see
Top cover
on page
28
).
5.
Disconnect the battery.
Remove the WLAN module:
1.
Disconnect the WLAN antenna cables
(1)
from the terminal on the WLAN module.
Component replacement procedures
37