Reformatted a Packard Bell p5ws0 for a mate at work.
After trying several drivers I tried a laptop that looked similar to this one on the PB support page and these drivers worked for the bcm943225hm wifi card on Win 7 64 Bit.
Location: Download Centre (All Products)
Product: Notebook/EasyNote/EN TS11SB
There are 3 drivers available, I used the Broadcom but Atheros and Realtek drivers are also available.
Hope this helps