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How to access the BIOS or UEFI. Turn on the computer. At the Dell logo screen, press the F2 key several times until you enter the BIOS or System Setup. Alternatively, press the F12 key several times until you see the One Time Boot Menu and then select BIOS Setup or System Setup from the menu.
Access Advanced startup (WinRE) from Command Prompt. Click Start. Search for Command Prompt, right-click Command Prompt, and select Run as administrator. In the Command Prompt, type shutdown /r /o /f /t 00 and press the Enter key. The computer restarts to the Choose options screen.
Instructions. The Windows 11, Windows 10, Windows 8.1, or Windows 8 operating systems allows you to boot into UEFI BIOS on supported Dell computers. You can use the integrated advanced startup options. NOTE: Some Dell computers may not support this feature because the UEFI and SATA settings cannot be changed in the BIOS.
Turn on your computer. At the Dell logo, press the F12 key several times until the One Time Boot Menu appears. On the boot menu screen, select the Diagnostics option (Figure 1.) Figure 1: One Time Boot Menu. The diagnostic quick test begins (Figure 2.) Figure 2: Diagnostic Quick Test.
Boot to the USB recovery media. Connect the USB recovery media to the computer. Turn on or restart the computer. At the Dell logo screen, press the F12 several times until you see the One Time Boot Menu. In the boot menu, select the USB drive from the list. Press the Enter key and to boot into the USB drive.
Restart the computer and at the Dell logo, press F12 to enter the One Time Boot Menu. Select the USB storage device to boot to the USB flash drive. The computer boots to a command prompt and displays C:\>. You now have a bootable USB drive. If you are going to use this to update the system BIOS, see the Note below for more information.
Secure Boot is controlled by the computer firmware (BIOS) and can be enabled with a few simple steps: Boot your computer. Tap the F2 key when the Dell logo appears to enter the BIOS. The following steps can vary based on your computer model: Alienware, Inspiron, and Vostro. Go to Secure Boot > Change Secure Boot to Enabled.
Boot into Safe Mode from Windows 11 or Windows 10. Press the Windows + I on the keyboard to open Settings. If that does not work, click Start and then select Settings. Click Update & Security, and on the left pane select Recovery. Under Advanced Startup, click Restart Now. After the computer restarts, on the Choose an Option screen, select ...
How to initiate startup repair using a Windows installation disk. Create a Windows installation disk using the Dell OS Recovery tool. Connect the USB installation disk to the computer. Turn on the computer and tap the F12 key until you enter the One Time Boot menu. Select the USB drive from the list and press Enter.
However, all Dell BIOS updates suspend BitLocker before the flash so a BitLocker Recovery event cannot occur as a result of updating the firmware. If the computer goes into recovery mode, it is likely due to an external drive being connected as it changes the boot drive enumeration. Users can configure this in the BIOS.