Hi Dihan,
You may uninstall and reinstall the wireless drivers. 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/12Il77U
Hope this helps. Please feel free to reply for any further assistance.
