HP 4 B5T03UA, 4 B5T04UA manual Wlan module

WLAN module

Description	Spare part number
Intel® Centrino® Wireless-N 1030 + Bluetooth combo w/ *2 antennas (802.11 b/g/n, Bluetooth 3.0)	670290–005
Atheros 9485GN 802.11b/g/n 1×1 WiFi and 3012 Bluetooth 4.0 Combo Adapter	655795–005
Broadcom 4313GN 802.11b/g/n 1×1 WiFi and 20702 Bluetooth 4.0 Combo Adapter	657325–005
Intel® Centrino® Wireless-N 1030 + Bluetooth combo w/ *2 antennas (802.11 b/g/n, Bluetooth 3.0)	657325–005

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.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 display panel (see Display panel on page 31).

5.Remove the base enclosure (see Base enclosure on page 33).

6.Disconnect the battery cable (see Battery on page 35).

Remove the WLAN module:

1.Disconnect the #1 and #2 WLAN antenna cables from the WLAN module (1).

NOTE: The #1 WLAN antenna cable is connected to the WLAN module #1 main terminal. The #2 WLAN antenna cable is connected to the WLAN module #2 auxiliary terminal.

2.Remove the 1 Phillips PM 2.0×2.5 screw (2) that secures the WLAN module to the system board. (The WLAN module tilts up.)

Component replacement procedures 43