Wlan Module - HP ProBook 640 G1 Maintenance And Service Manual

WLAN module

Description
Qualcomm Atheros AR9485 802.11b/g/n 1×1 WiFi Adapter
Intel Dual Band Wireless-AC 7265 802.11 ac 2×2 WiFi + BT 4.0 Combo Adapter for use only in Brazil
Intel 802.11 2×2 a/b/g/n Combo Adapter
Intel 802.11 2×2 a/b/g/n Combo Adapter
Atheros 802.11 b/g/n 1×1 Combo Adapter
Intel 802.11 2×2 AC + Bluetooth 4.0
Intel 802.11 a/b/g/n 2×2 + Bluetooth 4.0 WLAN
Broadcom 802.11 a/b/g/n 2×2 + BT 4.0 LE PCIe+USB HMC WW
Intel 802.11 a/b/g/n 2×2 + BT 4.0 WLAN
CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module
authorized for use on 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
5. Remove the service cover (see
Remove the WLAN module:
1. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module.
NOTE:
"1". The WLAN antenna cable labeled "2" connects to the WLAN module "Aux" terminal labeled "2".
2. Remove the two Phillips screws (2) that secure the WLAN module to the system board.
3. Remove the WLAN module bracket (3). (The WLAN module tilts up.)
Battery on page
Service cover on page
The WLAN antenna cable labeled "1" connects to the WLAN module "Main" terminal labeled
56).
57).
Component replacement procedures
Spare part number
675794-001
712639-201
695915-001
670292-001
690019-001
717381-001
710661-001
730668-001
747832-001
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