To reboot the instance, you can do 2 reboots of which Soft Reboot is used to slowly restart your VM system by stopping all running processes one by one while Hard Reboot is used to force restart the system when your instance is already showing no response.
To get Soft Reboot and Hard Reboot, click the Power menu. This can be seen in the menu section Reboot.
To restart the VM system by stopping all running processes one by one, click the Soft Reboot button, while to restart the VM system by force stopping click the Hard Reboot button.
A confirmation window will appear to Reboot. Then click Yes.
There is a Restarting the instance notification that your VM is being restarted.
If your VM is successfully restarted there will be a notification Instance [your-instance name] has been successfully restarted.