HP Pavilion DV6502 or 9502au Bluetooth and Wireless LAN XP Driver

After installing windows XP you might notice LAN/wireless Driver is missing. So the right driver that proved to be successfull is below:

a. Broadcom Wireless LAN Driver Download

sp36684.exe, (1/1 , 6.29M)

Details: Broadcom 802.11 a/b/g WLAN Broadcom 802.11 b/g WLAN Broadcom 4321AG 802.11a/b/g/draft-n Wi-Fi Adapter.

b. Bluetooth Driver here

Acer extensa 5220 Wlan/Wireless/lan XP Driver - Problem Solved

Choose base base on yours system specification, most Extensa  5220 use Broadcom wireless LAN Driver

Wireless
LAN Atheros Wireless LAN Driver 5.3.0.45 2.7 MB
Download

Wireless
LAN Broadcom Wireless LAN Driver 4.170.25.12 4.1 MB
Download
 
Wireless
LAN Intel Wireless LAN Driver 11.1.1.11 33.1 MB
Download

Use the silent-install.

Hope It helps.