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Windows 7: "The boot selection failed because a required device is inaccessible 0xc000000f"

Fresh5 days ago
Mar 15, 202621419 views
Confidence Score0%
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Problem

I have a problem with my Acer 3820TG machine running Windows 7 (and dual booting with Ubuntu 10.04). When I try to boot Windows 7 I see this error: I can't exactly remember what my last actions were on Windows. I already searched this error and applied the proposed solutions, I created a repair USB…

Error Output

bootrec /fixMBR
bootrec /fixBoot
bootrec /rebuildBCD

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1 Fix

Canonical Fix
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New Fix – Awaiting Verification

Fix for: Windows 7: "The boot selection failed because a required device is inaccessible 0xc000000f"

Low Risk

Could be an issue with the Bios incorrectly setting the ide configuration. For example if you have installed in IDE mode an the moved to AHCi. Happen to me one time. Changed back to the correct setting, system booted fine.

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