mac os x unable to unmount volume for repair

Step 4: In the Disk-Utility app, select the disk that you want to unmount in the sidebar. Step 3: Double-click on the Disk Utility icon. Step 2: Type Disk Utility in the search field.

Step 1: Click on the Spotlight icon from the menu bar. What We Need before mounting BitLocker drive on Mac As we all know, Mac computer cannot identify a BitLocker encrypted. To unmount the volume, start by accessing the disk utility. To do that, we have to mount BitLocker encrypted drive in macOS/Mac OS X for the first step. Under such circumstances, it is feasible to open it on a Mac as well.

I have no idea why this is happening, since the installation is still being run off of the bootable USB - which volume is it trying to unmount?įor reference, my EFI partition is ~270mb and has enough space to accommodate OSX. But in some cases, we are unable to access a Windows computer. When it restarts and I go to boot into OS X, it brings up the loading screen for a bit and then the installation files, citing 'MacOs unable to unmount volume for repair'. Instead of clicking on the device in Disk Utility (the non-indented device listing, which has your partitions listed in an indented fashion below), click on the partition that's giving you trouble and repair each partition individually. When I go through the setup, I select the free space and Erase it to MacOs Extended (Journal) and then install Sierra onto that partition. Got some other things that you may want to try: 1) Try repairing each partition individually. I then created the bootable USB with clover and all that, and am able to enter the Sierra installation screen. I shrunk the main Windows partition down to create 150GB of free space and formatted it to NTFS. I need to install Hackintosh, and I'd prefer to install it onto the same SSD as carrying an external hard drive is impractical. So currently I've got a dual-boot system - Windows 10 (came with the laptop) and Ubuntu 16.04, both on the same SSD. Building a CustoMac Hackintosh: Buyer's Guide

Mac os x unable to unmount volume for repair