I'm using Ubuntu 20.04 on ThinkPad x230, W540, T440p, etc.
Sometimes (appears randomly) after a reboot, I try to click on "Turn on WiFi hotspot..." under WiFi settings, but it is greyed out and when I hover over it, it says "System Policy prohibits use as a hotspot".
Why is this?
reported here, try switching to another settings panel (ie "Network") and then back, it seems to enable the option again for most.
It's only periodically disabled; to re-enable simply click on the "Network" in the left pane - making sure the OS realises you have a network connection. Then go back to WiFi and voila you have the ability to create a WiFi HotSpot. You don't have to create a separate network for this.
This is also happened in my machine as well. So what I did is I have created hotspot network and connected via hidden network. For that, Normal wifi setting will not give this setup. So follow these instructions 1.
Press alt+f2
2.You will see a popup window where you need to type follow command to get wifi setting window3.You need to press + icon to create a hotspot network
4.After that, You have to select WIFI option
![enter image description here](https://i.stack.imgur.com/AsWKO.png)
You need to change the mode to hotspot and SSID as you prefer![enter image description here](https://i.stack.imgur.com/ulZxd.png)
Save the setting then open wifi setting
Click connect to hidden network![enter image description here](https://i.stack.imgur.com/oThXa.png)
Select your network which you have created![enter image description here](https://i.stack.imgur.com/Tdvxx.png)