You could prolly help me as i keep getting ...macos cannot be installed.
I have an fx 8350 4ghz and ga-970a-ds3p mobo and a sapphire r9 290 4gb trix card and ive done what youve done with them setting.
i used transmac to do the usb stick and plugged into usb 2.0 port pressed f12 and booted under general.
It shows the list and i hit ok to boot sierraAMD. it shows the ***** line then the verabose and gets to the install screen.
I use the utility to wipe the partition im using which is MBR not GPT as it has other windows MBR partition along side it on same hard drive, anyway..
I had mavericks on this partitiion beforehand so surely sierra should work.
i then got it to start the install and got the 15mins remaining but i think it took about 2hrs or so ..and then showed....macos cannot be installed blah blah.
can you tell me what settings you used? did you get to install the operating system fully? how do i manually set flags as i notice that it already had those flags setup as i seen it in the verabose lines of txt.
I tried the usb swapping thing but my usb 3.0 stick didnt light up until i put it back into the usb 2.0 port and hit enter again
please obiwan your my only hope....so far hehe