Hi prashantmethwani,
Thank you for the information. You may try to Dell Quickset from the link: http://dell.to/15NwSBg.
You may try uninstalling and reinstalling the wireless driver. Please follow the steps below:
- Press ‘Windows’ key + R on ‘Desktop’ screen.
- Type ‘devmgmt.msc’ in run box and press ‘Enter’.
- Click > sign next to ‘Network adapters’.
- Right click on wireless card option and click ‘Uninstall’.
- You may download and install the latest drivers from the link: http://dell.to/145rvGW.
Please share the ‘Device ID’ for ‘Unknown Device’ as explained in the previous post.
Keep me posted with the findings. I will be glad to assist further.