Hi sumitab, After windows 7 is installed, it is important to install the drivers in the correct order. Please make sure to install the Notebook system software first and then install the chipset drivers. Check this link for more information on how to install the drivers: [URL] Open Device manager and expand Network Adapter. Check the wireless card model number and install the required driver and application for that specific wireless card available at the Dell support site.  Use the Fn + F2 key to turn wireless On or Off. Windows Mobility Center in the control panel to check the status of the wireless connection.  Run a custom scan on the wireless card using PC check up from the Dell support center. If you need to download Dell support center, use this link: [URL] Please reply with the results.
Hi       I have brought new Dell N4110 laptop. i have installed Win 7 professional 64 bit and all the drivers.       but when i open intel wireless program it says no wireless adapter found.       Please help me regarding this issue.       please note in my os there is no service pack.       is this issue due to service pack not installed ?   Thanks in advance :)          
wifi adapter issues