This Disk Is Locked Mac

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Adrienne Borgman

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Aug 3, 2024, 6:07:46 PM8/3/24

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SOLUTION: Guys don't waste your time. I had this exact problem but I tried using command + alt + r during boot up. 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.

Boot to the Recovery Volume (command - R on a restart or hold down the option/alt key during a restart and select Recovery Volume). Run Disk Utility Verify/Repair Disk and Repair Permissions until you get no errors. Then re-install the OS.

Easy solution is hold down command + R and get into disk utility, select the main HD and select File > "Enable journaling" but if you are like me, it was greyed out. 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

The download went fine but when I said install the computer got stuck in the loop, of can't install the update because "your computer file system verify or repair failed" and no matter what I did I could not get out of this loop. I tried to boot form recover, boot form USB with sierra installer, tried to repair the hard drive which gave me errors like File system check exit code is 8, I tried single user mode, I tried network recovery..... like I said I tried everything. My plan was to dig up the old spinning hard drive to restore an image form it, albeit it few months old but better than nothing. Of course I do not have a backup because I said to myself this is an SSD on a mac what could go wrong, well I learned that lesson. Bottom line what needed to happen was enable journaling of the hard drive, something that was greyed out and was impossible to do. Installing a fresh OS was also not working because the computer would say the drive is locked. Enough of the problem here is the solution.

I bought a thunderbolt cable to connect the iMac to my trusted MacBook Pro. I then installed Disk Warrior software on a MacBook pro. Then I booted the iMac while holding down the t key, which allowed the MacBook to see the iMac as an external drive. Disk Warrior scanned the iMac's hard drive, rebuilt its directory and enabled journaling. I then unmounted the iMac from the MacBook and rebooted the iMac normally, and viola, high Sierra installation proceeded and 40 minutes later I am back to normal. I am considering this post and pay back for all the help I got from searching the net for hours on this issues.

From what I know the drive is locked because somehow it was corrupted. All you need to do is rebuild it using disk warrior which fixed the issue by enabling journaling. I found the mac native disk utility not to be powerful enough to fix this problem, that's why I resorted to Disk Warrior, I am not promoting them and I am not affiliated with them, that is what I used. Let me know if I can be of any help.

If you are still under warranty of AppleCare Apple will replace the hard drive with a similar drive of the same capacity -- they will not upgrade your HD. If your warranty and AppleCare have expired you can find instructions for replacing the drive yourself at Other World Computing.

I have just wiped my iMac, and something must have gone wrong in the process as i cant change the boot drive by holding down option key and when i go to install reinstall macOS through macOS utilities when i select the 500GB hard drive the main one it just says "Disk is locked". Can anyone help me with this issue?

First make sure you completely erased your drive and all partitions on it using these steps: How to erase an Intel-based Mac. If everything was erased correctly but you still see a locked drive, go to Disk Utility from the Recovery screen and select your drive on the left side. Are you given an option to unlock the drive? If so, enter in the password you use to log into your Mac.

It's possibly your drive may be locked with a firmware password. Try the steps in the "How to turn off a firmware password" section of this support article: Set a firmware password on your Mac. If you have a firmware password set that you don't remember, the "If you forgot your firmware password" will tell you what to do next.

If your disk is not locked with a firmware password, try reinstalling again but this time start in Recovery using one of the key combinations in the "Other macOS installation options" section here: How to reinstall macOS. Those key combination will start up from macOS Recovery over the internet.

Thank you dan but that is not helpful, mac air boots to the login screen but password not accepted, when I boot to recovery mode and click on info tells me the drive is locked. I can unlock the drive and see all correct info about drive and files etc but when I reboot laptop back to square 1

A company in China had figured out how to locate systems hidden ID code from an Apple web site used to validate if the phone was iCloud locked so they could reprogram locked phones and systems. Apple quickly shutdown it down once discovered. Basically, they plugged in a S/N and if it was clean they would use it.

So now years later the cloned system was stolen or Apple discovered the duplicate they would lockout the newer system with iCloud. You are one of the lucky ones who's system S/N and its hidden ID was cloned.

@tindc my bad. 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.

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

It works for me. hold the command+option+R then wait for the globe until it finished loading, then the erase button is now enabled then you can erase the mac with journaled after its done, back to the installation and it will now continue, it actually works and waiting for 6 hours to finish the installation.

IMac disk locked, macOS cannot be reinstalled, disk erase not functioning and the only solution is for you to say take the device to an Apple Store to unlock, Oh my God, that means apple does not a solution to what it has built, If a person will encounter such a problem then it has to be taken to Apple Store? to unlock it. This is crazy. So Apple should come out to tell us that us in Africa and places with no Apple Store are not supposed to use apple devices. This is nonsense

I have a laptop in the workplace with a hard drive which has been locked by the previous employee. Nobody knows the current password and I'm trying to figure out how to overcome this problem. It has AMI BIOS inside, I already tried to reset CMOS, tried to bruteforce the password by using Universal Boot Disk CD and Hiren Boot CD. Nothing helped.

You can see "Hard Disk is still locked" on the first picture. [This] password locks [the] HDD, not [the] BIOS. It's called [an] ATA password [and] it is stored in the disk itself. The disk electronics/firmware denies access unless you give the right password (via BIOS prompt in this case). Therefore [...] the disk will stay locked even if connected to another computer or dock.

So my chances of getting past the Bitlocker problem have diminish greatly, so I am find out from Internet investigation. Making my best chance of saving a expensive Lenovo, is to some how format the hard disk! But I don'r know Command Line. But I direly want to learn, so I have that knowledge to not only help myself, but others as well.