HP ProBook 4446s HP ProBook 4445s Notebook PC HP ProBook 4446s Notebook PC - M - Page 50

WLAN/Bluetooth combo card

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WLAN/Bluetooth combo card The computer uses a card that provides both WLAN and Bluetooth functionality. Description Atheros 9485GN 802.11b/g/n 1x1 WiFi and 3012 Bluetooth 4.0 Combo Adapter Atheros AR9485 802.11b/g//n WiFi Adapter Broadcom 4313GN 802.11b/g/n 1x1 WFI and 20702 Bluetooth 4.0 Combo Adapter Ralink WLAN Ralink Ripple3 RT5390F_802.11b/g/n Spare part number 655795-001 675794-001 657325-001 670691-001 Before removing the WLAN module, follow these steps: 1. Shut down 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 all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 33). 5. Remove the bottom door (see Bottom door on page 34). Remove the WLAN module: 1. Position the computer right-side up with the battery bay toward you. 2. 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". If the computer is equipped with an 802.11a/b/g/n WLAN module, the yellow WLAN antenna cable connects to the middle terminal on the WLAN module. 3. Remove the two Phillips PM2.0×3.0 screws (2) that secure the WLAN module to the computer. (The edge of the module opposite the slot rises away from the computer.) 42 Chapter 4 Removal and replacement procedures

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WLAN/Bluetooth combo card
The computer uses a card that provides both WLAN and Bluetooth functionality.
Description
Spare part number
Atheros 9485GN 802.11b/g/n 1x1 WiFi and 3012 Bluetooth 4.0 Combo Adapter
655795-001
Atheros AR9485 802.11b/g//n WiFi Adapter
675794-001
Broadcom 4313GN 802.11b/g/n 1x1 WFI and 20702 Bluetooth 4.0 Combo Adapter
657325-001
Ralink WLAN Ralink Ripple3 RT5390F_802.11b/g/n
670691-001
Before removing the WLAN module, follow these steps:
1.
Shut down 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 all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet,
and then unplugging the AC adapter from the computer.
4.
Remove the battery (see
Battery
on page
33
).
5.
Remove the bottom door (see
Bottom door
on page
34
).
Remove the WLAN module:
1.
Position the computer right-side up with the battery bay toward you.
2.
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”. If the computer is equipped with an 802.11a/b/g/n WLAN module, the yellow WLAN
antenna cable connects to the middle terminal on the WLAN module.
3.
Remove the two Phillips PM2.0×3.0 screws
(2)
that secure the WLAN module to the computer.
(The edge of the module opposite the slot rises away from the computer.)
42
Chapter 4
Removal and replacement procedures