The short answer is to power up the machine while repeatedly pressing the F10 key.  Below is a table of boot / function key options on Intel Motherboards.

 

Function key or Control keyPurpose
F2Accesses the BIOS Setup program.
F7Initiates a BIOS update process where the update files are stored on a USB thumb drive. For instructions on this BIOS update method, see Instructions for F7 BIOS Flash update.
F8Opens the Windows* boot option menu which allows you to boot into safe mode, enable boot logging, perform restore tasks, and more.
F9Launches the Remote PC Assist Wizard. This function is only available when the board supports Intel® Remote PC Assist Technology (Intel® RPAT).
F10Accesses the boot menu and displays all bootable devices to select from.
F12Allows you to boot to a network; generally used to install an operating system from an image on the network.
Control-IOpens the Intel® Rapid Storage Technology (Intel® RST) option ROM user interface.  This prompt is available on boards that are configured for and support RAID.
Control-MOpens the Marvell RAID option ROM user interface. This prompt is available on boards that are configured for and support Marvell RAID.
Control-POpens the Intel® Management Engine (MEBx) Configuration user interface. This prompt is only available on certain boards that support the Intel® Management Engine.

4 Comments

thabiso · January 6, 2019 at 11:39 pm

304 failed to located the gefitreeprotocolguid .please help with error

    Ian Matthews · January 11, 2019 at 3:41 pm

    I have not seen that error before and it does not sound good. A quick Google of that error brings up nothing useful. 304 sounds very much like a browser error. Did you power down the PC and then power it up from scratch and press F10 right at the start?

Harri · December 18, 2018 at 5:52 am

Running a serial console in a terminal I don’t have function keys, esp no F2 to access the BIOS. ESC-2 doesn’t work. ???

    Ian Matthews · December 31, 2018 at 2:42 pm

    I take it the Intel board you are using does not have USB ports so you cannot connect a keyboard.

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