wifi problem

hi,

i installed Dell Wireless 1701 802.11 b/g/n, Bluetooth v3.0+HS Driver, it did not work; it asked "activate the bluetooth via buttons and i did what it asked. i then installed Network_Driver_4XPJF_WN_7.061.0612.2012_A01 dirver, and what it installed was ethernet all in on. then i plugged in the ethernet cable  and the internet worked. but the wifi did not work. can anyone please help?

thanks