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Saturday, November 23, 2024

home windows – Bootcamp not showing as bootable disk on Excessive Sierra


I’ve a MacBook Professional (Retina, 13″, Late 2013, 8GB/251GB) on which I’ve had a Bootcamp partition put in with Windows7 for a number of years (in all probability since early days, i.e. since 2014). Initially the MBP ran Mavericks OS, which I thereafter have repeatedly up to date to present OS of Excessive Sierra (10.13.6). Booting Home windows has by no means been an issue. Till now. Now it doesn’t present up when booting and urgent Alt/Choice – solely the Macintosh HDD is seen.

Half a 12 months in the past I did the silly mistake of working down free HDD area to one thing like 10 GB and as folks may know this isn’t actually appreciated by MacOS. Nonetheless, I used to be in a position to get again to dry land after studying a number of discussion board posts. I’m suspecting that this episode may need been the occasion that screwed up my Bootcamp by some means.

Initially there was a corrupted MBR desk as different posts have handled, e.g. these:

https://discussions.apple.com/thread/252319323?login=true&sortBy=finest

https://discussions.apple.com/thread/252776981?sortBy=finest&web page=3

How you can convert a drive from the GPT format to the hybrid GPT/MBR format when utilizing Excessive Sierra (macOS 10.13.2)

I adopted the directions there (utilizing fdisk, not gdisk) and on the face of it, all the pieces appears tremendous – no less than in my eyes. MacOS is of a special opinion sadly, so I’m at a lack of what to do now. I present some primary display photographs beneath, which hopefully may present clues.

enter image description here

I do discover now that the gpt command exhibits “Suspicious MBR at sector 0” now – uncertain if that really was there earlier as we speak.

enter image description here

Wanting on the MBR it appears like this

enter image description here

The Bootcamp disk is accessible in the entire following conditions:

  1. Disk utility in MacOS
  2. Finder (exhibiting all particular person information as properly, and I may even copy information to Mac folders)
  3. In restoration mode (command+R) as a alternative of bootable disk (won’t boot although)
  4. Startup Disk (in System Preferences)

So, the fundamental drawback is that it appears to be nearly accurately configured, however not absolutely, and the disk is simply not exhibiting up whereas booting (and urgent Alt/Choice).


UPDATE 09.03.2024 10.41 CET
To be able to exhaust all alternate options I did attempt with the Win7 boot drive once more after having reset each SMC and NVRAM, however unresponsive keyboard and monitor pad remained.

I thereafter pursued the Win10 avenue as a substitute and downloaded a “contemporary” x64 model (ISO) from Microsoft’s homepage and began making a bootable flash drive (measurement 32 GB), utilizing Boot Camp Assistant (BCA), from that ISO. Nonetheless, BCA throws me an error message throughout the course of some 15-20 minutes in, see beneath.
enter image description here

I appeared into this problem, which in fact others have encountered. I attempted the eject advice, however there was not any mountings to eject in my case actually, and the one which popped up in Disk Utility couldn’t be ejected because it was in use for the BCA course of.

Horrible wall of issues this has become 🙂


UPDATE 25.05.2024 14.23 CET
I used to be in a position to copy all information I deemed essential to salvage from the Bootcamp partition, so I took the choice to simply erase/restore the partition and repurpose it as Mac area after that.

Simply as you identified, David Anderson, it become a too advanced a maneuver, particularly since I used to be in a position to salvage the information of curiosity (I hope).
However, I very a lot respect the help alongside the way in which, which gave me some new insights in addition to dragged me to a choice level.
Many thanks!

…and hopefully this put up could also be of utilization to anyone else sooner or later.

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