How to connect wi-fi to a Dell laptop or computer? While WiFi is convenient for laptops and cell phones, if you work from a Dell desktop computer, it can be difficult to get online without the proper built-in WiFi adapters. You may need to find a way to add a WiFi connection to your desktop PC. To connect to WiFi for desktop computers, follow the steps below. Check Your Desktop for WiFi To begin, first, look at your desktop computer and see if it has WiFi for desktop capabilities, or what’s known as a wireless network adapter. If you are using a Dell, your desktop should be a PC which runs on Windows. Most Windows operating systems come with a wireless network adapter for accessing wireless network connections already built into them, but not all of them do. To discover whether or not you have WiFi for desktop, go to the Start menu on your Windows taskbar. From there, search for the Device Manager, and click the drop-down button associated with your desktop computer. It will l