HP EliteBook 720 Maintenance and Service Guide - Page 57

WLAN module, Remove the Phillips PM2.0×2.0 screw

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WLAN module Description Spare part number Intel Dual Band Wireless-AC 7265AN 802.11 a/b/g/n 2×2 WiFi + Bluetooth 4.0 WLAN module 756748-001 Intel Dual Band Wireless-N 7265 802.11 a/c 2×2 WiFi + Bluetooth 4.0 Combo Adapter 756749-001 Intel Dual Band Wireless-N 7265 802.11 a/c 2×2 WiFi + Bluetooth 4.0 Combo Adapter for use in Indonesia 783721-001 Intel Dual Band Wireless-AC 3160 802.11 a/b/g/n+a/c 2×2 WiFi Adapter 784644-001 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 service cover (see Service cover on page 37). 5. Remove the battery (see Battery on page 39). Remove the WLAN module: 1. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module. NOTE: The WLAN antenna cable labeled "1" connects to the WLAN module "Main" terminal labeled "1". The WLAN antenna cable labeled "2" connects to the WLAN module "Aux" terminal labeled "2". 2. Remove the Phillips PM2.0×2.0 screw (2) that secures the WLAN module to the system board. (The WLAN module tilts up.) 3. Remove the WLAN module (3) by pulling the module away from the slot at an angle. NOTE: If the WLAN antenna cables are not connected to the terminals on the WLAN module, protective sleeves should be installed on the antenna connectors, as shown in the following illustration. Component replacement procedures 47

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WLAN module
Description
Spare part number
Intel Dual Band Wireless-AC 7265AN 802.11 a/b/g/n 2×2 WiFi + Bluetooth 4.0 WLAN module
756748-001
Intel Dual Band Wireless-N 7265 802.11 a/c 2×2 WiFi + Bluetooth 4.0 Combo Adapter
756749-001
Intel Dual Band Wireless-N 7265 802.11 a/c 2×2 WiFi + Bluetooth 4.0 Combo Adapter for use in Indonesia
783721-001
Intel Dual Band Wireless-AC 3160 802.11 a/b/g/n+a/c 2×2 WiFi Adapter
784644-001
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 service cover (see
Service cover
on page
37
).
5.
Remove the battery (see
Battery
on page
39
).
Remove the WLAN module:
1.
Disconnect the WLAN antenna cables
(1)
from the terminals on the WLAN module.
NOTE:
The WLAN antenna cable labeled “1” connects to the WLAN module “Main” terminal labeled “1”.
The WLAN antenna cable labeled “2” connects to the WLAN module “Aux” terminal labeled “2”.
2.
Remove the Phillips PM2.0×2.0 screw
(2)
that secures the WLAN module to the system board. (The
WLAN module tilts up.)
3.
Remove the WLAN module
(3)
by pulling the module away from the slot at an angle.
NOTE:
If the WLAN antenna cables are not connected to the terminals on the WLAN module, protective
sleeves should be installed on the antenna connectors, as shown in the following illustration.
Component replacement procedures
47