![]() Note: This did not fix either of my cases. Run Disk Utility "First Aid" in a normal running configuration.However, Time Machine (and perhaps SuperDuper!) should work as alternatives. Use as your own risk.įirst, make sure that a reliable and complete backup has been made of the computer. Here is how I fixed some corrupted internal APFS SSD system drives for a Mac mini and macBook Pro running Ventura 13.2.Ĭaution: This information may or may not apply to (or resolve) your situation. Then hit the "Install" button.Ĭheck and see if things are working. ![]() !IMPORTANT! - DO NOT FORMAT THE HARD DRIVE OR ITS PARTITIONS.Īt the "Select the disk in which to install" screen, select your disk, but DO NOT FORMAT. Once in the install screen, click the "Install Mac OS" Reboot with USB inserted again, and go back to "Install Mac OS High Sierra". ![]() Then use the first aid button/tool on each of it's partitions/containters.Įxit Disk Utility. Once in your installation screen, go to the "Utilities" menu and select "Disk Utility"Ĭlick on your hard drive and hit the "First Aid" button. Select the option "Install Mac OS High Sierra" Restart your mac with your newly created bootable USB of High Sierra (or corresponding OS)plugged in, while holding down the 'Alt' key. Go to and follow the instructions on the site. Protective MBR's 0圎E partition is oversized! Auto-repairing.Ĭopy and paste the results in your answer. ![]() Lock will not have their partition table automatically reloaded! The GPT fdisk (gdisk) version 1.0.3 Warning: Devices opened with shared If something is broken it should auto-repair itself and look something like this enter the command sudo gdisk /dev/disk0Ī message will appear.However, before proceeding, back up all of your data (time machine works well). Your GPT Structure looks ok but just to be sure, there are a few things you can do. The drive looks like healthy and repairable. Please help me repair the disk and take back the OS. ▸ Note5: I had ~3-5 GB free space on the SSD at the time of crashing Preparing to add APFS Volume to APFS Container disk2Įrror: -69620: Unable to get capacity info for an APFS Container or APFS Volume ▸ Note3: Trying to add an empty volume SAM to synthesized container (disk2) to see what may happen MacBook-Pro:~ rainyhighsierra$ diskutil ap addVolume disk2 apfs SAMĮxporting new APFS Volume "SAM" from APFS Container Reference disk2 The volume /dev/disk0s2 could not be verified completelyįinished file system verification on disk2 Warning: checkpoint 266 fsck_obj_phys failedĮrror: (oid 0x2aac6) nrl: invalid o_cksum (0x8eaa1aec711175bb)Įrror: verification/reading of the nx_reaper object failed Warning: checkpoint 262 fsck_obj_phys failedĮrror: object (oid 0x10b): o_cksum (0圆61d289dd9202cbd) is invalid for object Warning: checkpoint 247 fsck_obj_phys failedĮrror: object (oid 0x107): o_cksum (0xe096dd51deca9041) is invalid for object Started file system verification on disk2Įrror: object (oid 0x1): o_cksum (0x7f23daf6f220955d) is invalid for object ▸ Note2: diskutil verifyVolume disk2 MacBook-Pro:~ rainyhighsierra$ diskutil verifyVolume disk2 That's why I think it may just be a corruption of the APFS container.Ĥ lost partitions found by a recovery app Tried to recover data from macSSD partition and fortunately almost all important data was intact and almost all files were healthy and readable/playable. ▸ Note1: Used a third party app and it found 4 partitions including VM, Recovery, macSSD, Preboot. Here's few notes which probably help you know where the error lies:.Here's few shots which convince me that the APFS container is damaged (SSD=disk0):.Tried several times without success which finally I had to install another High Sierra on my 2nd drive (a healthy HDD) But it didn't boot again and just showed a black screen. I'm so shocked and urgently need your help.įinder wasn't responding and I had to restart it by force. I'm using MBP late 11 running 10.13.2 on Samsung Evo 850 250GB internally.Įverything was fine for months but few days ago something horrible occurred.
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