LG LGT28 User Manual page 95

Quick Backup reduces time required to backup the system.
8. The screen showing the progress of system backup appears.
Depending on product specifications and backup file size, the system may need longer time to load the file. Do not
turn off the power forcibly or reboots the system while it is loading the file.
9. After the system backup is complete, click OK to finish the process.
Using LG Smart Recovery