Next, we should also deal with of the EFI/BOOT directory. I also prefixed it with MS- just in case I ever want to revert from my Hackintosh set up. I recommend renaming the Windows EFI folder and not deleting it because it contains BCD boot stuff - a massive pain to restore! Rename the Microsoft part to something else – I just prefixed it with MS. It appears that the AMI Aptio BIOS (or at least, this ASUS Z97K/CSM mobo) is hardcoded to search for the EFI/Microsoft/Boot/bootmgfw.efi path, and then adding it to the boot list if it finds that it is not the default bootloader - which is causing the redundant entries – Grrr!ĭ. Mount -t msdos /dev/diskXs1 /Volumes/EFI/įun fact: If “for some reason” the partition identifier (number) of your EFI partition is not numer 1, you can use fdisk to fix the partition order. Use Clover Configurator to mount the EFS, or manually: mkdir /Volumes/EFI/ So I have placed both the EFI bootloaders for Windows and Mac together on a single EFS, which in my case is the EFS of Disk #1.Ĭlover EFI as default bootloader + Windows EFIįYI, tested on a ASUS z97k/CSM motherboardīe prepared to get your hands dirty with UEFI bootloaders! Step 1 –Ĭ.Remember that the EFS is a FAT32 partition on a GPT disk which can contain EFI bootloaders.Keeping all bootloaders on a single EFS seems to help prevent the issue.I have a SSD for each Windows and MacOS.My set up is as follows… you can try match it but I can’t guarantee this will work for you. Then it will be forced to boot Clover only, and hopefully happy days ) my set up So, rename the Windows EFI bootloader folder to something else, so that the BIOS doesn’t see it. Some buggy BIOS implementations seem to freeze if it detects both the Windows EFI alongside Clover EFI on the same system. After much research (there is a good thread over at tonymacx86) this is my write-up on the solution. here goes! tldr Dual booting Windows with Mac? Getting duplicate Windows Boot Manager boot entries appearing on every boot? Is your ASUS BIOS sometimes completely freezing on boot due to these boot entries building up (what a dumb bug!)? Eventually I got pretty fed up of unplugging every non-boot hard drive just to unfreeze the boot sequence, so I ventured to find a solution.
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