Selecting a startup device

If your computer does not start up from a device such as the disc or hard disk drive as expected, do one of the following to select the startup device you want.

Selecting a temporary startup device

Use this procedure to select a temporary startup device.

Note: Not all discs and hard disk drives are bootable.

1.Turn off your computer.

2.Repeatedly press and release the F12 key when turning on the computer. When the Please select boot device window displays, release the F12 key.

3.Select the desired startup device and press Enter. The computer will start up from the device you selected.

Note: Selecting a startup device from the Please select boot device window does not permanently change the startup sequence.

Selecting or changing the startup device sequence

To view or permanently change the configured startup device sequence, do the following:

1.Start the Setup Utility program. See “Starting the Setup Utility program” on page 77.

2.From the Setup Utility program main menu, select Startup.

3.Select the devices for the Primary Startup Sequence, the Automatic Startup Sequence, and the Error Startup Sequence. Read the information displayed on the right side of the screen.

4.Press F10 to save and exit the Setup Utility program. See “Exiting from the Setup Utility program” on page 81.

Enabling ErP compliance mode

You can enable the energy-related products directive (ErP) compliance mode through the Power menu in the Setup Utility program to reduce the consumption of electricity when your computer is in standby or off mode.

To enable ErP compliance mode in the Setup Utility program, do the following:

1.Make sure your computer is turned off.

2.Repeatedly press and release the F1 key when turning on the computer. When you hear multiple beeps or see a logo screen, release the F1 key. The Setup Utility program starts.

Note: If a Power-On Password or an Administrator Password has been set, the Setup Utility program main menu will not be displayed until you type the correct password.

3.From the Setup Utility program main menu, select Power ➙ Enhanced Power Saving Mode, and press Enter.

4.Select Enabled and press Enter.

5.From the Power menu, select Automatic Power On and press Enter.

6.Select Wake on Lan and press Enter.

7.Select Disabled and press Enter.

8.Press F10 to save changes and exit the Setup Utility program. Press Enter when prompted to confirm the exit.

Note: When ErP compliance mode is enabled, you can wake up your computer by doing one of the following:

80ThinkCentre User Guide

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Lenovo 4512, 4471, 4466, 7023 Selecting a startup device, Selecting a temporary startup device, Enabling ErP compliance mode
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4485, 4514, 4480, 4471, 4496 specifications

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