Tag: erase drive

  • Fix for disk erase failed couldn’t unmount disk

    If you’re trying on a Mac using Disk Utility to erase a hard drive and it won’t unmount, giving you an error similar to Disk erase failed. Couldn’t unmount disk, then you may have to force an unmount through the terminal. Launch up Terminal.app (through /Applications/Utilities or through a Spotlight search). Then paste in the […]