Dynamically choosing a boot device using the f9 prompt

To dynamically choose a boot device for the current startup sequence, follow these steps:

1.Open the Select Boot Device menu by turning on or restarting the computer, and then quickly press the esc key or hold down the volume down button while the “Hold the Volume Down button to enter the BIOS Startup Menu” is displayed at the bottom of the screen. The Startup menu is displayed.

2.Press or tap f9.

3.Use a pointing device, arrow keys, or touch screen to select a boot device, and then follow the on-screen instructions.

Setting a MultiBoot Express prompt

To start Computer Setup and set the computer to display the MultiBoot startup location menu each time the computer is started or restarted, follow these steps:

1.Turn on or restart the computer, and then press esc or hold down the volume down button while the “Hold the Volume Down button to enter the BIOS Startup Menu” is displayed at the bottom of the screen. The Startup menu is displayed.

2.Press or tap f10 to enter Computer Setup.

3.Use a pointing device, arrow keys, or touch screen to select Advanced > Boot Options > MultiBoot Express Boot Popup Delay (Sec), and then follow the on-screen instructions.

4.In the MultiBoot Express Popup Delay (Sec) field, enter the length of time in seconds that you want the computer to display the startup location menu before it defaults to the current MultiBoot setting. (When 0 is selected, the Express Boot startup location menu is not displayed.)

5.To save your changes and exit Computer Setup, click the Save icon in the lower-left corner of the screen, and then follow the on-screen instructions.

– or –

Select Main > Save Changes and Exit, and then follow the on-screen instructions. Your changes go into effect when the computer restarts.

Entering MultiBoot Express preferences

When the Express Boot menu is displayed during startup, you have the following choices:

●To specify a boot device from the Express Boot menu, select your preference within the allotted time, and then press enter.

●To prevent the computer from defaulting to the current MultiBoot setting, press any key before the allotted time expires. The computer will not start until you select a boot device and press enter.

●To allow the computer to start according to the current MultiBoot settings, wait for the allotted time to expire.

80 Chapter 11 Computer Setup (BIOS), MultiBoot, and HP PC Hardware Diagnostics (UEFI)