Boot Guides
Every guide tagged Boot, newest first. All 9 use tools built into Windows.
- How to Fix UNMOUNTABLE_BOOT_VOLUME in Windows 11
UNMOUNTABLE_BOOT_VOLUME means Windows cannot read its own drive at startup. Save your files, repair the volume from WinRE, and rebuild boot files, in order.
- How to Fix a Missing Dual-Boot Menu in Windows 11
PC boots straight into Windows with no choice of operating system? Restore the boot menu with firmware settings, bcdedit, and a GRUB repair if needed.
- How to Fix Boot Device Not Found (3F0) on Windows 11
Error 3F0 appears before Windows even starts. The firmware cannot see a bootable drive. Work through boot order, detection, and BCD repair in that order.
- How to Fix BAD_SYSTEM_CONFIG_INFO in Windows 11
BAD_SYSTEM_CONFIG_INFO means the registry or boot configuration is damaged. Repair BCD, restore registry hives, and get back into Windows 11.
- How to Enter BIOS or UEFI Settings in Windows 11
Need to change boot order, enable TPM, or turn off XMP? Here is how to enter BIOS or UEFI on Windows 11 from inside Windows and with the setup key at startup.
- How to Fix Windows 11 Stuck on the Loading Screen
Windows 11 stuck on the spinning dots or loading screen? Cut power-draining peripherals, disable fast startup, and use Startup Repair to boot again.
- How to Fix INACCESSIBLE_BOOT_DEVICE in Windows 11
INACCESSIBLE_BOOT_DEVICE on Windows 11 after an update or BIOS change? Uninstall the bad update in WinRE, fix the storage mode, and rebuild boot files.
- How to Fix the Automatic Repair Loop in Windows 11
Stuck on 'Preparing Automatic Repair' or 'Automatic Repair couldn't repair your PC'? Rebuild boot files, run SFC offline, and break the Windows 11 loop.
- How to Fix No Bootable Device Errors on Windows 11
No bootable device or OS not found on Windows 11? Fix boot order in BIOS and repair the bootloader with bcdboot or recovery.