Lenovo ideacentre A340, Hardware Maintenance Manual, Page: 19 / 57

Changing the startup device sequence permanently
To change the startup device sequence permanently, do the following:
1. Depending on the type of the storage device, do one of the following:
• If the storage device is internal, go to step 2.
• If the storage device is a disc, ensure that your computer is on or turn on the computer. Then, insert
the disc into the optical drive.
• If the storage device is an external device other than a disc, connect the storage device to the
computer.
2. Start the Setup Utility program. See “Starting the Setup Utility program” on page 11.
3. Select Startup .
4. Follow the instructions on the right side of the screen to change the startup device sequence.
5. Exit the Setup Utility program. See “Exiting the Setup Utility program” on page 13.
Selecting a temporary startup device
Note: Not all discs and storage drives are bootable.
To select a temporary startup device, do the following:
1. Depending on the type of the storage device, do one of the following:
• If the storage device is internal, go to step 2.
• If the storage device is a disc, ensure that your computer is on or turn on the computer. Then, insert
the disc into the optical drive.
• If the storage device is an external device other than a disc, connect the storage device to the
computer.
2. Turn on or restart the computer. Before Windows starts up, repeatedly press and release the F12 key
until Startup Device Menu is displayed.
Note: For some keyboards, you might need to press Fn+F12 to display Startup Device Menu.
3. Select the desired storage device and press Enter. The computer will start up from the device you select.
If you want to select a permanent startup device, select Enter Setup on Startup Device Menu and press
Enter to start the Setup Utility program. For more information about how to select a permanent startup
device, see “Changing the startup device sequence permanently” on page 13.
Exiting the Setup Utility program
To exit the Setup Utility program, do one of the following:
• If you want to save the new settings, press the F10 key. Then, select Yes in the window displayed and
press Enter.
Note: For some keyboards, you might need to press Fn+F10 to exit the Setup Utility program.
• If you do not want to save the new settings, select Exit ➙ Discard Changes and Exit and press Enter.
Then, select Yes in the window displayed and press Enter.
Chapter 4
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Using the Setup Utility program
13