dreamvikki, The network controller is the network card and not the wifi/Bluetooth card. You will need to click the link below to download the driver Realtek RTL8105E-V Ethernet Controller Driver. To turn the wireless/blutooth on follow the steps below. Inspiron 3521 Drivers How to configure WiFi?
hi pls. resolve my network controller id PCI\VEN_14E4&DEV_4353&SUBSYS_000E1028&REV_01\4&1BC66F16&0&00E1
dell 3521, i7, 32 bit - unable to download wifi and bluetooth