21Chapter 3. Recovery systemLenovo provides Lenovo OneKey Recovery system or Push-button reset forsystem recovery, which depends on the pre-installed software. Refer to theactual product. You can perform either to start the system recovery.Lenovo OneKey Recovery system ---------------------------The Lenovo OneKey Recovery system is software designed to back up andrestore your computer. You can use it to restore the system partition to itsoriginal status in case of a system failure. You can also create user backupsfor easy restoration as required. Backing up the system partitionYou can back up the system partition to an image file. This image file can beused to restore the system partition. To back up the system partition:1 In Windows, press the Novo button or double-click OneKey Recoveryicon to start the Lenovo OneKey Recovery system.2 Click System Backup.3 Select a back-up location and click Next to start the backup.Notes:• If your computer is preinstalled with a GNU/Linux operating system, OneKey Recoverysystem is not available.• To utilize the features of the OneKey Recovery system, your hard disk already includes ahidden partition by default to store the system image file and the OneKey Recoverysystem program files. This default partition is hidden for security reasons, which explainswhy the available disk space is less than the stated capacity.Notes:• You can choose a back-up location on the local hard disk drive or an external storagedevice.• Remove the removable hard disk drive before starting the Lenovo OneKey Recoverysystem. Otherwise, data from the removable hard disk drive might be lost.• The back-up process may take a while.• The back-up process is only available when Windows can be started normally.