Double click the Dell Wireless WLAN Card.
On Device Manager click the plus + sign next to Network Adapters. You can search for control panel or alternatively typing “control panel” after pressing windows key+R. To prevent this from happening follow these steps It will also turn off the wifi card and this will leave you disconnected. To reduce power consumption windows will sometimes turn off some devices which are not being used at the moment. To solve this do the following: Windows Power Saving Sometimes the adapter even disappears from device managers as if it doesn’t exist. I have also seen the same problem on other Dell inspiron and XPS laptops. Just when i was in the middle of something very important it just disconnects
