Lenovo Understanding the BIOS Setup Utility for C440

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BIOS setup utility

What is the BIOS setup utility?

The BIOS setup utility is ROM-based software. It communicates basic computer information 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.Repeatedly press and release the F1 key after turning on the computer, then select Startup → Boot Priority.

How can I change the boot mode?

There are two boot modes: UEFI and Legacy. To change the boot mode, start the BIOS setup utility and set boot mode to UEFI or Legacy support on the boot menu.

When do I need to change the boot mode?

The default boot mode for your computer is the UEFI mode. If you need to install a legacy Windows operating system (any operating system before Windows 8) on your computer, you must change the boot mode to Legacy support. The legacy Windows operating system cannot be installed if you don’t change the boot mode.

User Guide 25

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Contents Lenovo C3/C4/C5 Series Important Safety Information Page Contents Hardware Replacement Guide Using the Computer Hardware Front view of the computer Left and right views of the computer Rear view of the computer Installing the computer stand Computer stand Connecting your computer Connecting the power cord Important information about using the computer Wired keyboard selected models only Connecting to the InternetUsing Windows Charms Bar Switching between the main Windows 8 interfacesSwitching between apps Shutting down the computerClosing an app Opening other system programsWindows Help and Support User Guide Using the Rescue System OneKey Recovery Driver and Application Installation Method 1 Automatic InstallationMethod 2 Manual Installation User Guide Troubleshooting Confirming Setup Solving Problems Troubleshooting Display ProblemsTroubleshooting Audio Problems Troubleshooting Software Problems Troubleshooting Problems with Optical Drives and Hard Disks Special considerations for troubleshooting Windows Bios setup utility When do I need to change the boot mode?Performing Daily Maintenance Tasks Hardware Replacement Guide Safety information for replacing CRUs OverviewAdditional information resources Tools requiredHandling static-sensitive devices Replacing hardware General informationRemoving the stand base Removing the foot cover Replacing a memory module Replacing the hard disk drive User Guide Replacing the optical drive User Guide Replacing the adapter Connect the new adapter as shown Replacing the keyboard and mouse To replace the keyboardAppendix DeclarationTrademarks Energy Star Statement 10102/4773 10103/4751 10104/6595 10105/6596 10110/6267Enabling ErP compliance mode