xlidoni 0 Posted October 4, 2020 Posted October 4, 2020 Hello guys, X79 2x E5 2658v2 64GB RAM RX 460 0C 0.6.1 Mojave I've a strange problem.. I can't boot with USB 2.0 ports, i get: AppleUSBHostPort::disconnect: persistent enumeration failures & prohibited sign. But if i try to boot with a 3.0 Port, im able to view Installer. But keyboard & mouse, are OFF. I tried USB inject all and XHCI unsupported, but the result doesn't change Rename EUSB to EH01 Rename USBE to EH02 Same issue. Any solutions? Thanks. Share this post Link to post Share on other sites
macattackjack 7 Posted November 3, 2020 Posted November 3, 2020 Which brand motherboard? If I remember correctly, which I don't think I do, the issues you're having a issue for me with an install, but I don't remember which motherboard or system. You need to make sure legacy USB is enabled in the BIOS, or try with it off. As a general rule, I needed to always boot from the USB 2 port, as the 3.0 ports don't kick in until later Also recently, I was doing a Non UEFI build of 10.15.5 on an older motherboard, and a MSI board worked perfect, but the Asus board couldn't get USB 3 But all of my 10.14 builds were with Clover, so beyond the obvious, I can't say much more. Share this post Link to post Share on other sites