Still Linux woes. It now reboots without losing files. Good.
But I’ve lost all Wifi connection. It was there before. Bad.
Linux is now mint distro.
WiFi is through a D-Link DWA-131 plugged into a USB port. The USB is supposed to light up when plugged in. It doesn’t.
So either a WiFi driver fault or a reading USB fault.
I downloaded a D-Link driver for DWA-131 and followed all the instructions in the Readme file. Got as far as: