HP Pavilion g4 Maintenance and Service Guide - Page 62
WLAN module, Disconnect all external devices connected to the computer.
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WLAN module Description For use on all computer models: Atheros 9485GN 802.11b/g/n 1×1 WiFi and 3012 Bluetooth 4.0 Combo Adapter Atheros 9285G 802.11b/g/n 1×1 WiFi Adapter Broadcom 4313 802.11b/g/n 1×1 WiFi and 2070 Bluetooth 2.1+EDR Combo Adapter (Bluetooth 3.0+HS ready) Broadcom 4313GN 802.11b/g/n 1×1 WiFi and 20702 Bluetooth 4.0 Combo Adapter Ralink 5390GN 802.11b/g/n 1×1 WiFi Adapter Realtek RTL8191SE 802.11b/g/n 1×1 WiFi Adapter For use only with computer models equipped with an AMD processor: Atheros AR8002WB-1NGB 802.11b/g/n 1×1 WiFi and Bluetooth 2.1+EDR Combo Adapter (BT3.0+HS ready) Broadcom 4313 802.11b/g/n 1×1 WiFi Adapter Ralink RT3090BC4 802.11b/g/n 1×1 WiFi and Bluetooth 2.1+EDR Combo Adapter (Bluetooth 3.0+HS ready) Realtek 8188BC8 802.11a/b/g/n 2×2 WiFi and Bluetooth 3.0+HS Combo Adapter For use only with computer models equipped with an Intel processor: Intel Centrino Advanced-N 6230 WLAN module Intel Centrino Wireless-N 1000 Ralink RT3090BC4 802.11b/g/n 1×1 WiFi and Bluetooth 2.1+EDR Combo Adapter (BT3.0+HS ready) Spare part number 655795-001 605560-005 600370-001 657325-001 630703-001 640926-001 593127-001 593836-001 630705-001 602993-001 631956-001 593530-001 656120-001 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 battery (see Battery on page 48). 5. Remove the service cover (see Optical drive on page 49). 54 Chapter 4 Removal and replacement procedures