Chapter 4. Troubleshooting28 Lenovo OneKey Recovery systemWhere are the recovery discs?Your computer did not come with recovery discs. Use the Lenovo OneKeyRecovery system if you need to restore the system to its factory status.What can I do if the back-up process fails?If you can start the backup but it fails during the back-up process, try thefollowing steps:1 Close all open programs, and then restart the back-up process.2 Check to see if the destination media is damaged. Select another pathand then try again.When do I need to restore the system to its factory status?Use this feature when the operating system fails to start up. If there iscritical data on the system partition, back it up before starting recovery. BIOS setup utilityWhat is the BIOS setup utility?The BIOS setup utility is ROM-based software. It displays basic computerinformation and provides options for setting boot devices, security,hardware mode, and other preferences.How can I start the BIOS setup utility?To start the BIOS setup utility:1 Shut down the computer.2 Press the Novo button and then select BIOS Setup.How can I change the boot mode?There are two boot modes: UEFI and Legacy Support. To change the bootmode, start the BIOS setup utility and set boot mode to UEFI or LegacySupport on the boot menu.When do I need to change the boot mode?The default boot mode for your computer is UEFI mode. If you need toinstall a legacy operating system, such as Windows, Linux or Dos, etc (thatis, any operating system before Windows 8) on your computer, you mustchange the boot mode to Legacy Support. The legacy operating system,such as Windows, Linux or Dos, etc cannot be installed if you don't changethe boot mode.