Laptop or PC, remove all power sources, battery and power pack for laptop, press and hold power switch for 30 seconds or more. Reconnect battery (for laptop) and reconnect power source. Try rebooting.
When you get a Windows 10 update and you use a usb peripheral WiFi adaptor, then on reboot, and if it doesn't work, don't use system restore. When you notice no connections available remove the USB adaptor. Reboot and reconnect the adaptor and let Windows install the generic drivers.