![]() ![]() On a Mac with Apple silicon or an Intel-based Mac with the Apple T2 Security Chip, use Erase Assistant to reset your Mac to factory settings before you trade it in or sell it. In the settings where you select a volume, select your current macOS volume (in most cases, it’s the only one available). In the Recovery app window, select Reinstall for your macOS release, then click Continue. Click the Gears icon (Options) and hit Continue. Keep it pressed until you see startup options. For a Mac with Apple silicon: When turning on your Mac, press and hold the Power button. Reinstall your current version of macOS: Command-R. Don’t release the keys until you hear Mac’s startup sound or until the Apple logo appears. Reinstall your computer’s original version of macOS (including available updates): Option-Shift-Command-R. Install the latest version of macOS compatible with your computer: Option-Command-R. On an Intel-based Mac: Choose Apple menu > Restart, then immediately press and hold one of these key combinations, depending on what you want to do: I am after how can the Mac be set up to a 100 erased state. Unable to download OSX or erase reformat do anything. On a Mac with Apple silicon: Choose Apple menu > Shut Down, press and hold the power button until “Loading startup options” appears, select Options, click Continue, then follow the onscreen instructions. 1 year ago 484 1 Disk0 unable to Erase or Partition Please see this, this is a 2015 MacbookPro. Start up your computer in macOS Recovery: Get started with accessibility features.Use Sign in with Apple for apps and websites. ![]() Watch and listen together with SharePlay.Share and collaborate on files and folders.Sync music, books, and more between devices.Make and receive phone calls on your Mac.Use one keyboard and mouse to control Mac and iPad.Use Live Text to interact with text in a photo.Make text and other items on the screen bigger.Install and reinstall apps from the App Store.Back up as much of the data as possible and replace the disk". This disk has a hardware problem that can't be repaired. Catalina popped up and going to select disk it showed a greyed out "UNTITLED 2" disk. I went with Mac OS Extended (Journaled) and after completion, I went to "Reinstall macOS". Mac OS Extended (Case-sensitive, Journaled, Encrypted).Mac OS Extended (Case-sensitive, Journaled).HFS Journaled is not an option available for me. If you dont see your SSD in Disk Utility, make sure that everything is connected properly. Finally, close Disk Utility and install OS X. If so, choose it, go to Erase tab and format it with 'Mac OS Extended (Journaled)'. I have followed your steps but with a few differences: Then, open Disk Utility, look at the sidebar and see if the SSD is listed. However, after the first disk format, the "Reinstall macOS" option showed me Yosemite. So originally, I had Catalina 10.15 installed. ![]() It can takes some time until it fully loadsġ - It will present options > Disk Utilities > View > View ALL attached Drives.Ģ - Choose the Upper Most Drive ( not the volumes indented and list below ).ģ - Formatting for macOS 10.13 High Sierra and below requires HFS Journaled with the GUID Partition MapĤ - Once that is done > backup out of Disk Utilities and choose install macOS.ĥ - Follow the prompts and it may automatically reboot several time.Ħ - Upon a final reboot - Setup Assist will present with the newer version of macOS. The 3 keyboard combo keys are Option Command R and really suggest using a Wire KeyboardĪlso suggest connection the computer via an Ethernet Cable to Router to avoid the tricky Wifi connectionĭepending the speed of your connection and the speed of the Apple Servers - a Globe will load. If the installer asks to unlock your disk, enter the password that you use to log in to your Mac. Click Continue, then follow the onscreen instructions. ![]() The user may need to use the Internet Recovery Mode to resolve this issue. When you see a window with the option to reinstall macOS, your Mac has started up from Recovery. Only if the user still want to try and reinstall the Operating System anyways Have the computer evaluated by the Professionals who have the Special Hardware / Software and Expertise to diagnose the issue and offer possible solutions Just noticed in your above picture the S.M.A.R.T Status indicates Failing ![]()
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