Before you close this as a duplicate, please read carefully. In Windows XP, when there was a problem with Wifi, you could right-click on the icon, and the context menu allowed you to disable/enable ...
I have a pretty horrible Zyxel P-2812HNU-F1 router provided by my ISP which drops my Wifi some one to five times each day. It doesn't crash, it just decides to disable wifi. I can log in to the web ...