MP 1,1-5,1 refind - Help!

[Krisz]

Hi!
sorry for the bad english.
I installed the refind bootloader but for some reason the windows doesn't start (sapphire nitro + vega 64) black screen only. i put the old r9 280x card back and it works flawlessly! What could be the problem?Could someone help me?
Thanks

 

[Macschrauber]

checkout Dayo's RefindPlus

MyBootMgr: RefindPlus|OpenCore

This is a guide to using OpenCore and RefindPlus, to multiboot Classic MacPros (3,1 to 5,1) as well as equivalent Xserve (2,1 and 3,1). It involves booting Mac OS from one or more OpenCore instances chain-loaded from RefindPlus and booting other OS types directly from RefindPlus. The guide is...

forums.macrumors.com

also make a rom Backup (google dosDude romtool)

and avoid uefi Install due to certificates messing the bootrom.

 

[Krisz]

checkout Dayo's RefindPlus

MyBootMgr: RefindPlus|OpenCore

This is a guide to using OpenCore and RefindPlus, to multiboot Classic MacPros (3,1 to 5,1) as well as equivalent Xserve (2,1 and 3,1). It involves booting Mac OS from one or more OpenCore instances chain-loaded from RefindPlus and booting other OS types directly from RefindPlus. The guide is...

forums.macrumors.com

also make a rom Backup (google dosDude romtool)

and avoid uefi Install due to certificates messing the bootrom.

thanks but not good (
The rEFInd binary file is missing! Aborting installation!
is there any easier way to switch between windows and osx?