Click System Recovery on the main board.
If you haven't create a System Backup yet, you will be asked to create it now.
When System Backup is ready for use, you can restore your system whenever you want even in system crashes.
Click Recovery. You have to confirm your System Recovery before it starts. It is important. For sure please click Recovery, else click Cancel.
Warning: Once click on the Recovery button in last step, the process would NOT be able to stop.