SC
Software Conspiracy

Category · 8 fixes

Boot & Startup Errors

BOOTMGR is missing, INACCESSIBLE_BOOT_DEVICE, automatic repair loop.

A PC that won't boot is almost always a missing bootloader, a corrupted BCD, a failed disk, or a Windows update that left the partition in a half-applied state. We give you the exact bootrec, bcdedit and recovery-environment steps for each symptom.

Boot

BOOTMGR is missing — How to fix on Windows 11/10

Fix the 'BOOTMGR is missing' error on Windows 11 and Windows 10. Rebuild the boot manager from Windows Recovery Environment without losing data.

25 min · medium

Boot

INACCESSIBLE_BOOT_DEVICE — How to fix on Windows 11

Fix INACCESSIBLE_BOOT_DEVICE blue screen on Windows. Repair storage drivers, BCD and AHCI mode without reinstalling Windows.

30 min · medium

Boot

Stuck in Automatic Repair loop — How to fix Windows 11

Fix the Windows 11/10 Automatic Repair loop. Run sfc, DISM and bootrec from the recovery environment to break the loop without reinstalling.

40 min · advanced

Boot

No bootable device found — How to fix

Fix 'No bootable device' on Windows. Check boot order, repair the BCD, and recover the install without losing data.

25 min · medium

Boot

Missing operating system — How to fix

Fix 'Missing operating system' on Windows. Rebuild the master boot record and recover the boot partition without reinstalling.

20 min · medium

Boot

Windows stuck on logo at boot — How to fix

Fix Windows stuck on the boot logo with a spinning circle. Disable Fast Startup, repair system files and break the boot freeze.

30 min · medium

Boot

"Your PC needs to be repaired" 0xc0000098 — How to fix

Fix the 0xc0000098 'Your PC needs to be repaired' error on Windows. Rebuild the BCD and recover boot without reinstalling.

20 min · medium

Boot

winload.exe is missing 0xc0000225 — How to fix

Fix winload.exe is missing 0xc0000225 on Windows. Repair the boot loader and recover Windows from Recovery without reinstalling.

25 min · medium

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