Lenovo IdeaCentre C240 Hardware Maintenance Manual

Also see for IdeaCentre C240: Maintenance manual User guide User guide

Contents

Selecting or changing the startup device sequenceTo view or permanently change the configured startup device sequence, do the following:1. Start the Lenovo BIOS Setup Utility program (see “Starting the Lenovo BIOS Setup Utility program” onpage 13).2. From the Lenovo BIOS Setup Utility program main menu, select the Startup option.3. Press the Enter key, and select the devices for the Primary Boot Sequence. Read the informationdisplayed on the right side of the screen.4. Use ↑ and ↓ arrows to select a device. Use the <+> or <-> keys to move a device up or down. Use the<×> key to exclude the device from or include the device in the boot sequence.5. Return to the Lenovo BIOS Setup Utility program menu and select the Exit option.6. Select Save Changes and Exit from the menu.Notes:a. If you do not want to save the settings, select Discard Changes and Exit from the menu.b. If you have changed these settings and want to return to the default settings, select Load OptimalDefaults from the menu.Changing booting modeThere are two boot modes UEFI and Legacy for your computer. The default boot mode for your computer isthe UEFI mode. If you need to install a legacy Windows operating system (any operating system beforeWindows 8) on your computer, you must change the boot mode to Legacy support. The legacy Windowsoperating system cannot be installed if you don’t change the boot mode.To change the booting mode, do the following:1. Start the Lenovo BIOS Setup Utility program (see “Starting the Lenovo BIOS Setup Utility program” onpage 13).2. From the Lenovo BIOS Setup Utility program main menu, select the Startup option.3. Select the Boot Priority, then press Enter key. From the pop up “Boot Priority” window chooseLegacy mode.4. Return to the Lenovo BIOS Setup Utility program menu and select the Exit option.5. Select Save Changes and Exit from the menu.Exiting the Lenovo BIOS Setup Utility programAfter you finish viewing or changing settings, press the Esc key to return to the Lenovo BIOS Setup Utilityprogram main menu. You might have to press the Esc key several times. Do one of the following:• If you want to save the new settings, select Save Changes and Exit from the menu. When the Save& reset window shows, select the Yes button, and then press the Enter key to exit the Lenovo BIOSSetup Utility program.• If you do not want to save the settings, select Discard Changes and Exit from the menu. When theReset Without Saving window shows, select the Yes button, and then press the Enter key to exit theLenovo BIOS Setup Utility program.Chapter 5. Using the Setup Utility 17