no bootable device when installing windows on mac

I'm thinking that it's one of the 'hidden' partitions causing it to behave like this, or something wrong with the EFI bootloader, but I don't know how to proceed. I already removed the primary Windows 8 partition, but it hasn't fixed the issue. Now, every time I turn the computer on, I get an error message saying 'No Bootable Device.', unless I hold down the Option key and manually select 'Macintosh HD' (the only boot device listed). Next try Command Prompt to run through Windows 10 Install Integrity Checklist. 5) If Safe Mode doesn’t work or help stabilize things then return to Advanced Troubleshoot options. I accepted defeat and decided I would just wait until Windows 8 is officially supported before trying again. Make sure you have the latest BIOS, Chipset, Display (Video), Sound, USB3, Bluetooth, Network and all other drivers, or else download and install the latest now. It then rebooted and was proceeding through the Windows 8 setup wizard as should be expected, but it couldn't modify any of the partitions on the Fusion Drive and wouldn't proceed.

alling-windows-8-on-a-mac-with-boot-camp/Įverything was proceeding just fine I had Boot Camp copy all of the Windows 8 files (a legitimate, store-bought copy) to a bootable USB drive - a feature only available on new Macs running Boot Camp Assistant that don't come with an internal optical drive - and create a 102 Gb partition on the Fusion Drive. On my new iMac /w a 1TB Fusion Drive, I tried to install Windows 8 (still technically unsupported) using the following method:

No bootable device when installing windows on mac