High Sierra and Boot Camp?

HS should support the existing BC/Windows installation. The partitions do change in HS. Back up is critical, in case you need to nuke-and-pave.

My Boot Camp with Windows 10 continued working without issue after I updated to High Sierra. But a back up is still a critical step before updating.

I just installed on my Late 2013 Macbook Pro High Sierra and i can boot to Windows by keeping Alt pressed at boot time as usual. Bootcamp in Windows doesn't see APFS partition so you cannot boot from there.

On the other hand, when i open Bootcamp assistant on High Sierra, it crashes right after i click Continue...

This issue of course is because High Uses a new APFS (File system) and boot camp hasn't been updated yet but using option after a reboot works fine unless you're just going to Mac from windows and Mac is your default startup drive so it's not a big deal either way really. just backup up Mac beforehand just in case the partitioning goes wrong. usually it doesn't but you never know....

To repeat the experiences of others, my upgrade to High Sierra went smooth and have been able to boot into BootCamp without issue. However, BC doesn't see the OS X partition and so I have to reboot with the Alt key to get back into High Sierra.

worked perfect for my 13" 2012 2.9 i7 but the bootcamp control panel doesn't see my Mac install in the bootcamp control panel so when I say reboot to Mac it says a Mac volume cannot be found so I just restart Win 10 normally from start menu and hold down the option key to boot into Mac and then in the Mac side I have my startup disk control panel I can change to Mac OS and leave permantly so it boots to Mac by default. And if course if I want Windows I restart Mac and do just the opposite with option key and select Windows but neither is a big deal but it'd be nice is the win 10 BC control panel saw the Mac install in the control panel too....hopefully an update soon to bootcamp win 10

What is the year/model of your Mac, BobTheFisherman ? Can you post the output of

diskutil list

For non-EFI (BIOS) installations, I expect the hybrid MBR to be modified.

You need a new Bootcamp.exe which understands APFS to be able to switch to macOS. Check Apple Software Update, but do not apply any available updates, yet!

thelastdon85 wrote:

Well, just a quick update here. I have a thunderbolt drive connected to my MBP. I unplugged it and guess what? BootCamp Assistant started working. So maybe this will help some people out. If you have an external drive connected to your Mac, try unplugging it before you try to launch BootCamp Assistant. If you're trying to install Windows to that external drive, well I can't help you there yet.

Documented in If you see a partition alert while using Boot Camp to install Windows - Apple Support . 😉

Yeah, probably should have looked for that document but I was having this problem on the Developer Beta before the document was published. Good luck to everyone, hopefully a reset will help, or if you're like me and didn't look around, try disconnecting your thunderbolt drives! I know I didn't have to do that in previous versions though 😉.

Can you also post the output of

sudo fdisk /dev/disk0

Hello Dari.hayward, see my post below yours. Just reformat your usb key with disk utility use ms DOS (fat 32). Works for me.

Yes. Please disconnect all external storage and hubs, and connect a USB2 flash drive, only when prompted by BCA. Disconnect any Time Machine storage as well.

I suggest you start a new discussion in Boot Camp .

Yeah make that till the x.2 or x.3 release is out.