no bootable device when installing windows on mac

The solution is simple: Create a fresh hybrid MBR. If resizing your partitions has damaged the hybrid MBR, or replaced it with a standard protective MBR, you'll be unable to boot in BIOS mode. You've damaged your hybrid MBR - Macs that dual-boot OS X and Windows 7 almost always use a hybrid MBR, which is an ugly and dangerous (see the next possibility) hack.It doesn't boot.Ĭhances are one of two things has happened: Result: 'No bootable device - insert boot disk and press any key'Ģ) after turning on the Mac pressing ALT-button (which should be equivalent to the Option-button on my Windows-Keyboard, right?)ģ) I tried to boot Knoppix from a USB-Stick. I did try to press Alt on startup (on a Windows-Keyboard) but nothing happens, I still end up receiving the above message.ġ) after turning on the Mac pressing x-button which should force booting into the OS X partition 'No bootable device - insert boot disk and press any key'

Now my Mac Mini won't start up anymore, I receive the error: I hoped that I could add those 100GB free space to the Win 7/Bootcamp partition. I was running out of disk space on my bootcamp Win 7 partition, so I switched to OS X and resized the OS X partition from 400GB to 300GB.

No bootable device when installing windows on mac