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Does anyone know why my bootcamp partition shows up as a folder in Startup Disk? [Resolved]

So recently I updated my computer to MacOS High Sierra. When I tried to boot up my Windows disk (running Windows 10) using Startup Manager, it wasn't there. I looked in my files, and I still had it. "Ok, so it's a pretty common problem. Easy fix, right?" Then I looked in Startup Disk and saw something REALLY weird. This apparently is not normally the case, but here's what it looked like. Bootcamp is a folder.

The fact that Bootcamp showed up as a folder did kind of confuse me, and I haven't been able to find any information about it.

When I boot up into Windows, I see a "No bootable device found" error message.

Question Credit: Jeffery Yang
Question Reference
Asked September 22, 2018
Posted Under: Apple
2 Answers

Your computer appears to have Windows installed to use the BIOS boot method. You can confirm this by following the steps given below.

  1. Open a Find application window.

  2. Select your Windows boot drive.

  3. Press the shift+?+. key combination. This will allow the Finder application to show hidden files and folders.

  4. If the Boot folder appears, then open this folder. Otherwise, Windows is not using the BIOS boot method.

  5. If the Boot folder contains a file named BCD, then Windows is probably using the BIOS boot method. Otherwise, Windows is not using the BIOS boot method.

  6. Press the shift+?+. key combination to undo step 3.

  7. Close the Finder application window.

If Windows 10 is using the BIOS boot method, then you should use the same accepted solution to the question: "Bootcamp: no bootable device – insert boot disk and press any key".

credit: David Anderson
Answered September 22, 2018
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