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jacketjane Author

Level 1

8 points

Cannot change bootcamp/disk utility partition despite free space

Hi,

I have a MBP I'm trying to bootcamp to install Windows on. Here's the issue in a nutshell:

You'll see that I've only used 131.22GB from a 500GB HD, but it's not letting me select a larger partition size. Now, I just updated the High Sierra and it was letting me choose the size before. When I'm in bootcamp, this is what I get:

Aaaaaand:

What's going on, mate?

[*SMC and NVRAM Reset]

TIA!

MacBook Pro (15-inch Early 2011), OS 10.10.5

Posted on Aug 6, 2018 5:52 PM

Top-ranking reply

jacketjane Author

Level 1

8 points

Posted on Aug 6, 2018 9:40 PM

This video explains it. It's due to TimeMachine using an older file format and once you disable it, it will remedy the error and you can proceed as intended.

How to partition the hard drive on macOS High Sierra bootcamp | partition failed - YouTube

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