The WiFi is disabled when I start with Windows and then go back to Ubuntu. A restart is required for WiFi to start

Question

Steps to reproduce:

1. Start the PC and in the Grub i select to start with Windows
2. Work in Windows
3. Go back to Ubuntu
4. The WiFi does no start
5. I restart de PC and start with Ubuntu again, then the WiFi start and everything works fine.

Answer 1

"Fast Startup" in Windows can cause these types of issues.

On your Windows install, go thru your power options and disable Fast Startup. This will cause Windows to shut down and boot normally, instead of using the hybrid suspend.