0xc00000f
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Microsoft · Windows
Boot selection failed because required device is inaccessible.
Quick Answer
Error code 0xC00000F on your Microsoft Windows means: Boot selection failed because required device is inaccessible.. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Enter WinRE and run Startup Repair.
2
Use bootrec tools to rebuild boot files.
3
Run disk integrity checks.
4
Validate storage controller mode in BIOS/UEFI.
5
Use backup/restore if boot chain cannot be repaired.
Pro Tip
This issue typically requires professional diagnosis. Attempting this fix without proper training could cause further problems.
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