So after that didn’t work, I said screw it and just tried to install sierra using the bootdrive and launched it. I tried the lsof |grep disk0 command to see if there are any process running, but it doesn’t give me a response, nothing happens no errors or a response, but it does run the command because if I try to quit terminal it tells me so. When I run verify/repair it goes through without issues the last time I ran. I tried booting through it and force unmounting and erasing disk0s2 (diskutil eraseVolume and diskutil unmountDiskforce JHFS+) before install but in both cases it failed at the unmounting part. I created a bootdrive with high sierra as I got recommended to do so on another forum since OS X Mavericks is really old even though that was what was last installed on it. I have been attempting to reinstall macOS X on it and it was getting stuck at a certain point. What are my options?Īlright so none of my attempts at erasing or unmounting disk0s2 worked. What can I do to resolve this? Is there anyway the files are still there? I was hoping maybe I could reinstall OSX then repair the Bootcamp drive some how. When I click the 02 and bootcamp drives, they only show capacity now, and “-“ all other info. I tried fsck fy in singleuser mode but it gave a command not found error. Verifying and repairing gives errors, and can’t be mounted. So I went back and now the drive is greyed out again. I felt positive then went to try and do a reinstall of OS X, but can’t select that drive because it’s in MS-DOS(FAT32) format. I cannot erase them.Īt one point when I clicked verify on 02, it gave an error “Unable to repair while live”. It only showed disk02, recovery HD, bootcamp and under disk 1 OSX Base System. I selected recovery and went into disk utility. If I select bootcamp, the above explained situation happens. To my surprised it only showed Recovery and Bootcamp options. So then I forced a reboot with the powerbutton. The initial music plays and then it plays a a very tiny clip of that music and stays stuck on a black screen with no errors sort of like when a game freezes and the music clips and loops. Well it completed the process and rebooted, but it doesn’t load up. So I used mini partition tool to merge that and the bootcamp drive, it asked me to restart and I did. I had a small partition that I had made in my boot camp windows 8.1 that I wasn’t using. It was stupid of me to take this so lightly. When your Mac finishes starting up, you might want to open System Preferences and adjust settings that have been reset, such as sound volume, display resolution, startup disk selection, or time zone.Īfter doing this you can safely start using your Windows 10 installation via Bootcamp again.Macbook Pro 15” Late 2013 2.3Ghz. (If you have a Mac that plays a startup sound when you turn it on, you can release the keys after the second startup sound.) Shut down your Mac, then turn it on and immediately hold down these four keys together: Option, Command, P, and R. Keep holding the keys for about 20 seconds, during which your Mac might appear to restart. To reset your NVRAM of your Macbook follow these instructions from the Apple website: You can find more about it on the Apple website here. The NVRAM is a small amount of memory which stores certain settings like sound volume, display resolution etc. To get it working again you have got to reset the NVRAM. So the only thing I saw on the screen was the blue logo like this: After several tries I started Googling for a solution, eventually I found a working solution which I will share with you guys. It was stuck on the blue Windows logo and nothing happened. So now and then I use a Windows 10 installation on my MacBook Pro (13 inch 2015), but this time I wanted to use it but it didn’t boot.
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