Hi cpg0777, I would suggest you to update the BIOS and wireless card driver in sequence on the system for issue resolution. Please enter your service tag # on the link below, , click on ‘Get drivers and downloads’, select the OS, then download the BIOS from BIOS section and wireless card driver from Network section onto a different system and transfer the files to your Dell system and install it. [URL]
I just installed win 8.1 in my dell 3521 , but now i cant install network drivers for it..       driver says activate bluetooth using wireless switch .. plz help me! Dell 3521 i3   / win 8.1/ 64 bit
cant install network driver!