U_BOOT_CMD( help, CONFIG_SYS_MAXARGS, 1, do_help, "print command description/us...
Boot Device Options (F9): this menu provides UEFI Boot Sources (like Windows Boot Manager and network card) and Legacy Boot Sources (like hard drive, USB flash drive, and CD/DVD drive) for you to choose from. BIOS Setup (F10): you can exit UEFI & enter BIOS by selecting this option....
If the computer repeatedly boots to the recovery options, run the following command at a command prompt to break the cycle: Bcdedit /set {default} recoveryenabled no If the F8 options don't work, run the following command: Bcdedit /set {default} bootmenupolicy legacy ...
PC机上引导程序一般由BIOS开始执行,然后读取硬盘中位于MBR(Main Boot Record,主引导记录)中的Bootloader(例如LILO或GRUB),并进一步引导操作系统的启动。 嵌入式系统中通常没有像BIOS那样的固件程序,因此整个系统的加载启动就完全由bootloader来完成,它主要的功能是加载与引导内核映像。 一个嵌入式的存储设备通过通常包括四...
bcdedit set {default} bootmenupolicy legacy 重啟,再按F8試一試吧! To Enable or Disable F8 Advanced Boot Options using displaybootmenu Command 1.Open anelevated command promptorcommand prompt at boot. 2.Dostep 3(enable) orstep 4(disable) for what you want to do. ...
#ifdef CONFIG_MENUPROMPT printf(CONFIG_MENUPROMPT); #else printf("Hit any key to stop autoboot: %2d ", bootdelay); #endif /* * Check if key already pressed */ if (tstc()) { /* we got a key press */ (void) getc(); /* consume input */ ...
If the computer repeatedly boots to the recovery options, run the following command at a command prompt to break the cycle: Bcdedit /set {default} recoveryenabled no If the F8 options don't work, run the following command: Bcdedit /set {default} bootmenupolicy legacy BIOS phase To determine...
第12 行的 prompt 给出这个choice/endchoice 段的提示信息为“Architecture select”。 3.1.1.7 menuconfig menuconfig 和 menu 很类似,但是 menuconfig 是个带选项的菜单,如顶层 Kconfig 中的“General setup”中的列表中有一项menuconfig EXPERT: 结果如下: ...
bootmenupolicy Legacy Windows Boot Loader identifier {c1c7020a-e972-11ee-9338-2079188d02a6} device ramdisk=[D:]\WIM\w11pe64.wim,{c1c70209-e972-11ee-9338-2079188d02a6} path \Windows\System32\Boot\winload.efi description Anhdv 24 Windows 11 PE ...
Click the power button to make its menu visible. Hold down theShiftkey and then click Restart. It will reboot your OS directly in the Advanced Startup Options mode. Windows 8.1 Update users can open the Start Screen which features the power button near the user picture. Before clicking th...