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Reinstall mac os x disk is locked

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I mistyped. I mean the "Partition" button. Try using the "Partition" button and select 1 partition. Also, are you using a thumb drive or directly from the Mac? You need to boot from a thumb drive.


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You need a second mac to create a OS X installer. Find another computer with High Sierra. Follow these instructions:. Then put the thumb drive into your computer, and hold "Option" when starting up. Choose Start up from the Thumb drive. This version of Disk utility will let you erase the drive. Show 6 more comments. Click on disk utility and erase the hdd from internal only once done go back and go to reinstall Osx sierra.

Ryan Turnbull. I ended up installing High Serria on a thumb drive, rebooting the mac holding down command, and selected the thumb drive to boot from. Exit disc utility and installed High Serria. It's installing now. I'll message again if there are any problems.

January 16 by kylem Ozcelik atalay atalay.


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What to do if the Recovery HD is locked?

Martina tindc Rep: So I got a second hand macbook pro. I tried to reinstall macos, but it says that its locked. View the answer I have this problem too Subscribed to new answers. Is this a good question? Yes No. Since this one is a couple of years old, less people are likely to look at it. A new post would be much more visible.


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You can link to this one. Please note that this will reformat the destination partition. Then re-install the OS. OS X Recovery. OS X Recovery 2. Apr 18, I'm writing this as I search for it and found solutions and none of them worked and I noticed I wasn't the only one. What the issue is, you are trying to modify the drive you are currently working on which it doesn't like. You need to create a USB flash installer, then reformate the drive then reinstall. The steps are below. Step 1 i found step 1 at https: May 28, 2: Thanks for the tip. I tried all alternatives suggested here, but it only worked when I changed the flash drive, no idea why.

Jul 4, 1: Aug 9, 6: Guys don't waste your time.

ERROR WHILE TRYING TO REINSTALL MAC OS X ON MACBOOK PRO FIXED

Hold it till you see the globe pop up and let it do its thing and that should fix the problem at least it did for me. Then you can install without problems. Good luck! If didnt work buy an external hard disk and connect it to your mac and go to disk utilities and go to ur old hard drive then go to restore ,if the sorce is your hard disk name so thats ok usually its macintosh hd and in the other side destination grab the new hard disk, the new hard disk is gonna erase and copy the old hard disk so you are gonna have a back up ,when it finishes go to ur old drive theb click erase it will work ,you must put it on macOS journaled or the first option then just do the same on the first and it will work.

Can’t reinstall MacOs because disk is locked (2nd hand MacBook)

Communities Contact Support. Sign in. Browse Search. Ask a question. User profile for user: Any help would be greatly appreciated, thanks. More Less. Helpful answers Drop Down menu. View answer in context. Mac OS X Speciality level out of ten: If it asks for, authenticate it. Loading page content. Open Disk Utility. Select your locked hard drive. Your drive should now be unlocked. Linc Davis Linc Davis. Notebooks Speciality level out of ten: Reply Helpful Thread reply - more options Link to this Post.

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HELP! HD locked on reinstall! | MacRumors Forums

Keeping your confidential data secure during hardware repair Apple also recommends that you deauthorize a device in the iTunes Store before having it serviced. Joe Bailey Joe Bailey. Apple Watch Speciality level out of ten: The steps are below Step 1 i found step 1 at https: Insert an 8GB or larger flash drive.