Welcome to the forums P :emotion-21:     Did you install the chipset drivers as well/first?   But you should also install drivers in a specific order - as advised here :emotion-55:
Hi, I have re-installed my Windows OS on my Dell Vostro 1500 laptop. I have been trying to install all the drivers.  I installed the Dell Wireless Utility but m unable to launch it. If someone could help it eud be gr8 ! I installled the following drivers: 1. Coxenant Modem2. Broadcom Ethernet Driver3.  Dell Wireless (US) LAN Utility I am sure m missin one driver to complete the wireless setup. Any help !??!? P            
Dell Wireless Utility Driver