Windows 10 Booting Issue ("Choose an Option")

I have purchased a 27" IMac Retina 5K 2017 few weeks ago and got windows 10 through bootcamp.


I did all the steps I need to do for updates and put on only few downloads including steam and chrome, however not long later the blue screen showing "Choose an Option" began to show with the restarting loop. I tried all method to get it work, however most didn't seem to resolve the issue.


One of the method worked, however after it worked, it got rid of my Apple boot icon as well as the Apple Software Update program. And when I shut the system down on Windows 10 it end up restarting over and over again until I boot it to Mac (via pressing down option) and shutting it down from there.


Also the blue screen with "Choose an Option" still do come up at times and I have no idea what the problem is. Please help, I'd really appreciate it. Thanks!

iMac (Retina 5K, 27-inch, 2017), macOS High Sierra (10.13.6), Windows 10 installed

Posted on Sep 12, 2018 8:24 AM

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Posted on Sep 13, 2018 7:27 PM

If you use 'Reset PC', it removes Bootcamp drivers. You can re-install using BC Assistant -> Action -> Download.


Also see If some Mac features don't work when running Windows in Boot Camp - Apple Support for reference.

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15 replies

Sep 25, 2018 6:37 AM in response to Loner T

Sorry for the delayed reply. I did that and a new problem occurred in which it took my 300gb of my fusion drive with it. I went to the Apple store to fix it for me and they did regain my 300gb back however when they tried to reinstall windows with bootcamp assistant, the same thing occurred over and over again.


According to them it seems like the new iMac updates don't allow windows to work correctly, which I'm still quite unclear about. I later tried installing windows through bootcamp on my macbook 2012 and it seemed to work perfectly right on there, so I end up just using it on that.


Thank you for the reply though Loner T

Sep 27, 2018 9:40 PM in response to Loner T

Both I and the people at the apple store tried it, but each time we uninstalled windows, the 300gb we saved for windows keep going away with it (we restored the 300gb) and when we reinstalled windows using BC assisstant the blue screen seem to keep occurring.


After reinstall, we uninstalled it again and the same thing happened where the GB we used for Windows keep going away with it.

Oct 2, 2018 6:56 AM in response to Loner T

Sorry for the delayed reply, the apple store did try Win10 1709 and it seemed to create the same issue.


Honestly, I'm afraid to try the Win10 1607 since I don't know if the same thing would happen. I've tried running the Win10 1803 on my Macbook Pro 2012 and it seems to work completely fine on there that I end up just running bootcamp assistant on that one.


Sorry for taking your time, but also thank you so much for the helps.

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Windows 10 Booting Issue ("Choose an Option")

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