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balena-io / etcher

Flash OS images to SD cards & USB drives, safely and easily.
https://etcher.io/
Apache License 2.0
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Etcher unable to create bootable OS X Yosemite disks despite "Flash Complete!" message #3375

Open Mennaruuk opened 3 years ago

Mennaruuk commented 3 years ago

Etcher is unable to create a working bootable flash drive out of the official OS X Yosemite .dmg file. The .dmg file in question is InstallMacOSX.dmg (renamed above to Yosemite.dmg). It can be obtained directly from Apple's website here. I verified the checksum using two different software as:

MD5: 453536DDF8406CFC40EC776DABF3491E SHA-1: C542681961CC7FAFB9C15BFD4AF152A3A57F07FA SHA-256: DE869907CE4289FE948CBD2DEA7479FF9C369BBF47B06D5CB5290D78FB2932C6 SHA-512: 1B217F2D5835FF1C7ABC260A369E2ADD0AA9C7A9BE65FC50DD30D69F22F742C8F469E26932B1378F4CAFBD10D02050DA2227E2202564F9F029CC230E846CCCB8

After plugging the USB drive into my Mac and holding Option key at startup, I am met with a white screen and a black cursor with nothing to choose, indicating that the disk isn't properly bootable.

I would like to note that I also have the .pkg file found inside this .dmg file. I opened a VM image of Mac on my PC to properly extract this .pkg file out of the .dmg file, then I transferred it over from the VM to my PC. These are the checksums:

MD5: F8959FA719B9A74C63E972FE1A1441E7 SHA-1: 39C52FF92A4C965B4CA4608A1788732165164ABB SHA-256: 7E02F978556ECDD3C91ECF03C779E4A1402E41CA7EE2A268F96B7CFB8DF6CA79 SHA-512: 83632764A5023A19F61EB229C5DE6FA92D69C7ADD210A8E1029275D2ECB68353936916DCD9D3C228F415289CC801624BE06E494804438334DDB036AC9CA092A6

Something interesting I found is that there is someone who apparently found the SHA-1 for the .dmg file as 39C52FF92A4C965B4CA4608A1788732165164ABB, which is the same SHA-1 value I got for the .pkg file. But I found another post that cites the SHA-256 of the .dmg as DE869907CE4289FE948CBD2DEA7479FF9C369BBF47B06D5CB5290D78FB2932C6, which matches that of my .dmg file and is different from that of the .pkg file. Ergo, I'm confused if I should burn the .pkg file onto the USB drive, and if that's even possible given the instructions citing to use the .dmg file here. My attempts to create a bootable drive using createinstallmedia and Diskmaker X inside the VM have all ended in failure.

Edit: I successfully burned the .pkg file onto the flash drive. However, like with the .dmg file, my Mac failed to recognize it.

MrPhil17 commented 3 years ago

Etcher is not made for this purpuse. Etcher works only with Linux ISO. You need to use a program like TransMac for create a bootable usb drive from a Windows machine. The best way is to use a mac and createinstallmedia command on terminal.

Mennaruuk commented 3 years ago

But this comment has detailed instructions on how to create bootable Mac USB drives using Etcher. TransMac fails the task unfortunately, it does work with Mac ISOs, the last of which I think is Snow Leopard.