If you want to wipe you drive and loose all of your data, I recommend an internet install.
hold
down option + command + r
continue hold keys until you see something on the screen
http://www.idownloadblog.com/2016/02/25/how-to-start-up-your-mac-in-internet-rec overy-mode/
I suggest you make a genius appointment with an apple store. They should be able to sort out the problem. Or, ignore the whole issue.
Well.... I actually don’t know what exactly happened. I tried to install windows, then when I got to the windows logo, there was an error stating that a problem occurred and the installation of windows couldn’t be continued. I retried a couple off times... problem still persists. So in the end, I switched back to Mac OS. Now.... I can’t even see where the windows disk is in the disk Utility. I don’t even know what happened to my 70GB of storage. I am planning into resetting the hard drive completely, but I can’t....
Launch Boot Camp Assistant from the Applications:Utilities folder. Check only the Install or remove Windows 7 option and click Continue. Choose Restore disk to a single Mac OS partition and click Continue. You will be asked to login with your Administrative username and password.
How to Remove a Windows Boot Camp Partition From Your Mac ...
But for some weird reason, it only lets me install windows, not remove the application. Everytime i enter boot camp assistant (after restarting my Mac many times), it jumps straight away to the section where you can install windows. Here’s screenshots of what it looks like when I enter the boot camp assistant app.
windows 10. now when I go to disk utilities, I don't even see the windows disk. also, when I tried installing windows, I couldn't get into the loading screen. it says error, installation couldn't be completed. so I restarted in OS X. and now, for some weird reason, I cant see where the windows disk is.
Like I said in my original post, you don't have a BOOTCAMP partition, so no Windows 10 installed.
If you want to install Windows 10, you will need to use the Boot Camp Assistant utility in Applications > Utilities >
And create a new partition and install from scratch unless you have an image. You will need a Windows 10 iso to install fresh.
From your screenshot looks like you don't have a BOOTCAMP partition.
In any case to remove it you use the Bootcamp Assistant in Utilities in Applications.
Explain what you did to install Windows software on your Mac. There is insufficient information in that screen shot to avoid guessing.
from that picture what kind windows you try to installed?
I tried that. it says when I tried to erase the disk: couldnt open device. I don't know whats happening.
How do I remove windows from my Mac completely
