Tip to turn on Ubuntu 20.04 Wi-Fi Hotspot

Given the fact that your computer Wi-Fi card supports Wi-Fi Hotspot (you can check with the command iw list).

On Ubuntu 20.04, If the option “Turn On Wi-Fi Hotspot…” is gray out in your Wi-Fi Settings, this tab switching trick will solve the problem.

Simply click on another tab like Bluetooth or Network, then go back to the “Wi-Fi” tab again, you now should see this option “Turn On Wi-Fi Hotspot…” available.

This trick could save you hours of headache!