box-shadow: none !important; */ Then install the Mac OS. In Recovery Mode you have to format your Disk using Disk Utility and Choose OS X Extended (Journaled) as drive format before you click Reinstall OS X. Works fine normally but not in Recovery Mode so I can’t access Disk Utilities to erase my internal HDD. New update, has been downloaded and says needs to restart, when select restart it closes down and then the install black screen with white logo and loading bar comes up and gets to about 5%, then goes blank before coming back on again then starting up as if from the power off, and once on shows no update has been installed, the software update page says needs to restart to install, been through the same process about 10 times. Download and Install the SFWare Partition Recovery tool on your system. I was then able to install the OS X on the 'Macintosh HD' partition. If anyone has a suggestion I would GREATLY appreciate! Your Mac installs OS X from the installation disc. Apple may also be unable to help if your Mac is vintage or obsolete. From the resulting dialog, format your device as “Mac OS Extended (Journaled)” and use the scheme “GUID Partition Map”. Thread starter phantom13; Start date Jan 26, 2021; Sort by reaction score; Forums. Note: If your PriviligedHelperTools folder is accessible but empty, uninstall and then reinstall Office for Mac. Creating the Unibeast Installation Tool: Open the Unibeast folder. 1: APFS Volume Macintosh HD 216.4 GB disk1s1 2: APFS Volume Preboot 43.9 MB disk1s2 3: APFS Volume Recovery 509.7 MB disk1s3 4: APFS Volume VM 2.1 GB disk1s4. Log in to your iCloud account, if needed, then remove the Mac in question from being associated with your Apple ID. Here Are 5 Tips to Recover Some Space, Upgrades Guaranteed to Work With Your Mac, First Aid: Verify and Repair HFS+, APFS Drives with Disk Utility, erase the target drive using Disk Utility, Everything You Need to Know About OS X Recovery, Everything You Need to Know About the Apple T2 Security Chip Startup Security Utility, How to Reset NVRAM, PRAM, SMC on Your Mac, How to Downgrade from macOS Catalina to Mojave or Earlier, How to Use Migration Assistant with macOS Catalina, How to Reduce the File Size of a PDF in macOS, A Comprehensive Guide to All Startup Modes for M1 Macs, How to Use the Weather Widget in macOS Big Sur, Recovering Deleted Safari Browsing History on a Mac, How to Create a Bootable USB Installer Disk for macOS Big Sur, One Cable to Rule Them All – the New OWC Thunderbolt 4 Cable, The Ultimate Guide to When You Should (and Shouldn’t) “Fix it in Post” – Part 2: Fix it in Prep, The Best Just Got Better: OWC Travel Dock Adds Gigabit Ethernet, Free “Copy That” File Management App for iOS/iPadOS From Your Friends at OWC, Envoy Pro Elektron: How to Use an External SSD With an iPad Pro, Envoy Pro Elektron: Fast & Tough Mini-Sized USB-C Bus-Powered SSD. Enjoy the biggest Safari update ever. GarageBand can’t be installed on “Macintosh HD” because macOS version 11 or later is required. How to Fix iMessages on iPhone & iPad. The user name and password information entered should be your Mac user account details, not your Origin user name and password. Sincerely, The OWC Thunderbolt 4 Hub. New drive won’t show up in the installer until it’s Mac format. Your Mac will notify you … After the restart completes, you may notice that the rEFInd boot manager is now operating and displays the macOS, the Recovery HD, and the Ubuntu OS. Les champs obligatoires sont indiqués avec *. I clicked Install, and then nothing happens. Thank you. I now have this partition Macintosh HD - Data. When I erased the partition somehow I deleted it and now I am left with Mac OS base system and above it there is the uninitialized APPLESSD APO256M Media. In this article, I will share my experiences what… Click on "Macintosh HD" and then "Mount". RELATED: 8 Mac System Features You Can Access in Recovery Mode Your Mac’s Recovery Mode is a treasure trove of useful tools, and it’s the easiest way to wipe your computer and start from scratch. Click the Erase button in the toolbar, then enter the requested details: Name: Continue to use Macintosh HD as the name, or enter a different name. I was upgrading from Mojave 10.14.6 to catalina from the system preferences. Choose "OSX 10.6.8" as your startup disk. Were you able to successfully perform a clean install of MacOS Catalina? I’m using a Mac Mini (late 2012) and I cannot upgrade to Catalina from Mojave. Again, the problem is not the creation of two volumes: “Macintosh HD,” and “Macintosh HD - Data.” The problem is that a second “Macintosh HD - Data” volume appeared about a day after a clean install on a new Mac.