To create a bootable USB drive with the latest version of macOS, do the following: Download and install TransMac on your Windows PC. This is a paid software, but it gives you a 15-day trial, which is more than enough time. Create Bootable USB Installer for Mac OSX Using TransMac. To create bootable USB installer for Mac in order to Install Mac OS X El Capitan on Windows, on Mac or on VirtualBox, you have to create bootable USB flash drive. Let’s get started that how to do it. First, you have to download TransMac software for Windows and install it on your computer.

My MBA 2012 with OS X 10.9.4 Mavericks won't boot anymore - it simply freezes after the initial jingle. I already tried resetting NVRAM and SMC, but to no avail. I don't have any time machine backups.

However, I still have a disc image of Mavericks sitting on an external hard drive, a USB stick and access to a notebook with Windows 7. I haven't yet found any tutorial on how to create a bootable USB drive on Windows in order to reinstall OS X on my beloved Macbook Air. Any help would be greatly appreciated! According to the first answer here,, there's a tool with a free trial called TransMac that can do it. Just make sure the USB drive is formatted with GPT and not MBR. What might be easier, however, is that that model has support for Internet Recovery.

If you boot holding Command-R and you have a WiFi connection, it can actually boot into recovery mode without a recovery partition on a drive (or even without a working drive). Having said that, your description of a crash right after the boot chime could signify a more serious hardware problem and you may not be able to boot anything. If you boot holding the option key down, the startup disk selection screen should appear. If it crashes anyways, you may be looking at a hardware problem. I know this question is old but it is still valid. I was never able to write a Mac installer image to my Flash Drive and have it bootable, unless I did it on a Mac.

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Using Michael D. Dryden's, I was able to use the Diskpart command to clean and prep a GPT partition on a flash drive for an OSX Mavericks install image. I used TransMac on Windows 7 to restore the image file I had to the Flash Drive, it created a bootable Mac image on my flash drive. Someone had reported that the method for using DISKPART did not work, but I have done this twice and it works remarkably well, and it's the only method I could find to create a Mac-Bootable Flash. Cycling training software for mac. I've been trying to post this to confirm that it works for some time, I just hope it helps someone else, because it is a very easy solution. Here are the Diskpart commands used to prep the Flash Drive, just to have them here in case my Link does not work: diskpart DISKPART> list disk (Find the disk number) DISKPART>Most recent mac update. select disk x (from result of List Disk) Disk x is now the selected disk. DISKPART> clean DiskPart succeeded in cleaning the disk.