denmla1000,   When you reinstalled the operating system, did you install the Dell System Software(if applicable) and the chipset drivers first? If not, the rest of the drivers will fail to install. How to Download and Install Drivers in the Correct Order Start with the Dell System Software and the chipset drivers and follow the list.     Rick
Hi I tried almost 10 different driver files and it wont install. It says FAILED in installation dialogue, or simply says It is not installed correctly then when you click Install with recommended .. It says wrong platform. I have preinstalled WIN7 64 and install drivers in order specified by Dell support site  Please help. I spent more then 5 hours trying to solve this problem  Thank you
Inspiron 3521 Cant Install bcm4314a00 and Network Controller