HP 4540s Spécifications télécharger pdf (Page 76)

WLAN/Bluetooth combo card

The computer uses a card that provides both WLAN and Bluetooth functionality.

CAUTION: The WLAN module and the WWAN module are not interchangeable.

Description Spare part number

Atheros 9485GN 802.11b/g/n 1x1 WiFi and 3012 Bluetooth 4.0 Combo Adapter 655795-001

Broadcom 4313GN 802.11b/g/n 1x1 WiFi and 20702 Bluetooth 4.0 Combo Adapter 657325-001

Intel Centrino Wireless-N 2230 670290-001

Intel Centrino Advanced-N 6235 670292-001

Ralink WLAN Ralink Ripple3 RT5390F_802.11 b/g/n 1x1 PCIe HMC 670691-001

Atheros AR9485 802.11b/g/n 1x1 WiFi Adapter 675794-001

Atheros AR9565 802.11/jointfilesconvert/207515/bgn 1x1 WiFi + BT4.0 combo Adapter 690019-001

Ralink RT3290LE 802.11/jointfilesconvert/207515/bgn 1x1 Wi-Fi and Bluetooth 4.0 Combo Adapter 690020-001

Ralink RT5390R 802.11/jointfilesconvert/207515/bgn 1x1 Wi-Fi Adapter 691415-001

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 55).

5. Remove the bottom door (see

Bottom door on page 58).

Remove the WLAN module:

1. Position the computer upside-down.

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.)

68 Chapter 4 Removal and replacement procedures

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HP 4540s Spécifications Page 76