At work we have around 10 Dell Latitude 5590 laptops (Intel Core i5-8350U) that won't connect to wireless display adapters (Microsoft Display Adapter. Yes, they have the latest firmware installed). I've already tried some things: the obvious ones like updating BIOS, drivers and Windows. What to Know On some Dell systems, you can toggle Wi-Fi on and off using the Fn + F2 shortcut. Or, press Win + A. Select the arrow next to the Wi-Fi symbol (W11), or press Network (W10), to pick a Wi-Fi network. Some Dell PCs have a Wi-Fi switch that you must turn to the On position. Have an issue with a Dell latitude; wifi connection will not enable / turn on. The wifi icon in system tray shows a red X through it. Win7 Pro x64, Dell Latitude E5520 After doing this, the LAN started working and the Diagnostic Policy Service would start, but the Wifi still stays disabled. When I enable it, it says it enabled, but still no If this doesn't work, test seeing if your laptop will connect via Ethernet. If so, then your WiFi card may be going. You can either look to replace it/have it replaced, or get an external (plugs in via USB) WiFi card. Dell laptop won't connect to WIFI Help 64 Sort by: Open comment sort options Add a Comment rbrownmbca • 3 yr. ago Check the device manager, see if wifi has been disabled. Sorry I can not respond I am off to bed. Night Worker. 18 • 3 yr. ago There's a Intel (R) Dual Band Wireless-AC 8265 with a ⚠️ sigh Intel (R) Dual Band Wireless-AC 8265 5nK8.