If your downloaded driver came as a .cab or .zip archive rather than an executable installer ( .exe ), you must install it manually through the Device Manager. Extracting a .CAB File Create a new folder on your desktop named Wi-Fi Driver . Open the downloaded .cab file.
Expand the section. If the driver is missing, look under Other devices for Network Controller . Right-click the wireless device and select Properties . Navigate to the Details tab. Click the drop-down menu and select Hardware Ids . Look for a string resembling PCI\VEN_14E4&DEV_43xx . VEN_14E4 identifies the vendor as Broadcom. DEV_43xx identifies the specific chipset model. Step 2: Acquire the Driver Files Broadcom Bcm430n Wlan Driver Win7 32bit WORK