SOLVED! "Make This My Main Display” Greyed Out
To put it plainly, if you skip some steps while setting up your displays, you may come across issues such as "Make this my main display" grayed out. The besting you can do is to disconnect and then reconnect your displays then witness the result. Additionally, it's a good idea to update your graphics driver, install the latest Windows updates and so on.
For more insights on the troubleshooting process, please take a look at our tutorial.
https://makethatpc.com/make-this-my-m...