This looks like an old issue that has a fix. However, I think my case here is different. Please read the post.
:!: The USB stick is formatted as GPT
:!: I'm trying to make a bootable disk for macOS High Sierra
:!: The machine I'm using to create the bootable disk has macOS Catalina installed...
I currently use an iMac 5k at work and Macbook Pro elsewhere. I have just started playing with having just the one Mac OS running on a portable USB and keeping it on me so no matter where I am, I can pick up where I left off.
I picked up a WD Passport SSD 512GB and installed my OS on it...
I would appreciate if you help to assist me!!
I created bootable MBR USB for Mavericks and one another Uefi clover disk for El Capitan..Now we cannot reuse or format both USBs..I searched on internet throughout a year..couldn't find solutions yet.tried codes on terminal it's says permission...
I'm having quite a bit of difficulty with booting to the installer USB with Windows 7 in a dual-boot setup with my hackintosh 10.11.2.
My hardware/software setup is:
Gigabyte GA-Z97-HD3 (Legacy and UEFI modes both enabled)
120GB SATA SSD with Mac already installed
250GB SATA HDD that...