Hi nezz282, Were Chipset drivers installed in the system? If not please install the Chipset drivers from this link: [URL] Click the above link, click Download File and follow the onscreen instructions to complete the installation and restart the system. After installing the Chipset drivers, I suggest you to install the Network Adapter drivers from the below mentioned links: For Ethernet card: [URL] For the Wireless card: [URL] Click the above link, click Download File and follow the onscreen instructions to complete the installation and restart the system. Please try the above steps and post the results.
Hi i have Dell inspiron 15r 5520 with win8 64 bit,,but i decided to do a clean install to win 7 ultimate 64 bit,,because i didnt like much window 8..after i do a clean install i downloaded all driver from dell website & install it and  all driver is installed accept for network controller & now i cant connect to internet..when i check  device manager it say :
network controller driver for dell 15r 5520 is missing..i cannot install its 
driver because it keep saying failed.