Windows 7 does not see other network PCs

Go to Control Panel Network Settings

1. Leave homegroup.

2. "See Full Map" in right upper corner to show network devices.

USB Internet tethering on Kubuntu not working

Samsung M22 smartphone. Activate USB tethering and share mobile connection with PC. If you can’t connect to Internet, disable PC wired connection (LAN) and leave phone wired connection. Don’t forget to activate PC wired connection after disconnecting phone.