- HOW TO MAKE A BOOTABLE USB MAC TRANSMAC HOW TO
- HOW TO MAKE A BOOTABLE USB MAC TRANSMAC MAC OS X
- HOW TO MAKE A BOOTABLE USB MAC TRANSMAC FREE
HOW TO MAKE A BOOTABLE USB MAC TRANSMAC HOW TO
It will download directly to your Applications folder if your Mac starts to try to download and install the version of macOS you downloaded, simply quit the installation process.Ĭurious how to create a bootable external drive for Mac? We’ve got you covered. Whether it’s an external hard drive or a USB ‘thumb’ drive, both are considered bootable drives.įor the sake of clarity, we’ll simply refer to any external drive as a USB drive.īefore you begin, you’ll need to download the macOS version you’d like to use directly from Apple. Simply stated, a bootable USB Mac drive is one that has a version (or versions) of macOS available on a disk that isn’t your machine.
HOW TO MAKE A BOOTABLE USB MAC TRANSMAC FREE
In “SharedSupport”, delete the file named “ist” in the TransMac file-tree ( /Contents/SharedSupport/ist)Įject the USB key, and you have a working bootable USB-stick.Try free What is a Bootable USB or External Drive?.In the folder “Contents”, go to subfolder “SharedSupport”.Open the drive you wrote with PowerISO in TransMac.So in order to fix this, do the following additional steps: This is caused by expired certificate files. “application is damaged, can’t be used to install macOS” Then you should be able to select "install XY" in the boot prompt. Now, on the Mac, you need to hold the Option-Key (also known as ALT on a windows-keyboard) This will write the iso/raw file to a USB drive, as bootable. You need to select the non-standard "raw" option under write-options.Select the image file (needs to be ISO.Under tools, select install to bootable usb.It said 0 bytes, and finished in sub-second speed. Go to storage and click on the disk below the vdi storage.Ĭlick on the empty disk button on the right side of the window.Ĭhoose the. Once finished click on the Virtual OS you just created and click on settings. Give 4096 MB of Ram for optimum performance or you can also give 2048
HOW TO MAKE A BOOTABLE USB MAC TRANSMAC MAC OS X
Use this guide to convert the Lion dmg into an isoĬhoose OS as Mac OS X and click on 64bit or 32 bit (depending on your system) Snow Leopard I know this works with Snow Leopard, but I'm not sure about booting Lion in Virtualbox. You can boot into your DVD or flash drive from there. Reboot into OS X and hold the option key when you hear the startup chime. Hit the Apply button and it will create your bootable USB drive. Hit the Apply button when you're done to format your drive (note: it will erase everything on the drive).Ĭlick on the "Restore" tab, choose the InstallESD.dmg file as the source and your flash drive as the destination. You'll need this to make the drive bootable on a Mac. Hit the Options button under the partition table and choose "GUID Partition Table". Choose "Mac OS Extended (Journaled) on the left. Go to the Partition tab and select "1 Partition" from the dropdown menu. If you want to burn Lion to a USB flash drive, plug it in and click on it in the left-hand sidebar in Disk Utility. If you're burning it to a DVD, insert your DVD, select the disk image in the sidebar, and hit the "Burn" button. Open up Disk Utility and drag the DMG file into the left-hand sidebar. Navigate to Contents > SharedSupport and look for a file called "InstallESD.dmg". Right-click on the installer and hit "Show Package Contents". The installer should show up in your Applications folder. On a Macĭownload Lion from the Mac App Store. However, the other option is to use a Virtualbox VM to run OS X temporarily (scroll down for that info). As far as I know, the only way to properly create a bootable Lion disc/disk is to use Disk Utility on a working Mac.
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