SOLVED: Macintosh HD isn't visible in Disk Utility after trying to update OS X - MacBook Pro 15" Retina Display Late 2013 - iFixit
![I am trying to reinstall OS X on my mac pro but when i select the disk to install this it says as "this disk is locked" I am trying to reinstall OS X on my mac pro but when i select the disk to install this it says as "this disk is locked"](https://f01.justanswer.com/QlySvXZh/image.jpg)
I am trying to reinstall OS X on my mac pro but when i select the disk to install this it says as "this disk is locked"
![Title: How do I erase and rest so Macintosh HD shows as my main HD? Trying to install Big Sur had issues so er… | Macintosh, Apple macintosh, Advertising technology Title: How do I erase and rest so Macintosh HD shows as my main HD? Trying to install Big Sur had issues so er… | Macintosh, Apple macintosh, Advertising technology](https://i.pinimg.com/originals/ad/94/aa/ad94aa63683fe1fcd6ac4e0c9773cd0e.jpg)