 Hi Mahesh, Thank you for providing the information. As per the information provided by you, the chipset and Dell wireless 1702 drivers need to be updated. Refer to the links below for installing the drivers. The links are Chipset: [URL] Wireless: [URL] You may install the USB 3.0 drivers from the below link if required. The link is [URL] Hope this helps. Keep me updated with the results.
  Hi, Dell Vostro 3550   OS: windows 7 (32 bit)  I tried to switch on wireless using 'function key' + F2, but did not find any result. Please help to resolve the same    Thanks Mahesh
WIFI not working