“Invalid Node Structure” error usually occurs when you try but fail to repair a hard drive by Disk Utility on Mac system. It usually refers to logical problems on the hard drive. This article will look at this error and offer 4 solutions to it.
Usually, when users find that the hard drive is inaccessible or there is something wrong with this drive on Mac, users will firstly use the inbuilt tool – Disk Utility to check and repair the drive. This utility will list out the issues involved with this drive, such as the “Invalid Node Structure” error.
Such an error is indicating the corruption of storage disk directory structure on the hard drive. Also, Disk Utility is unable to fix this problem. Generally, in face of this error, you would find some applications, files or folders missing. And the Mac would work very slowly, frequently get freezing, and even become unbootable. So, in the followings, we will share you 4 means to solve this problem.
1. Repair via File System Check (FSCK)
First off, you can try using the File System Check (FSCK) command line to check and repair the consistency of the corrupt file system. You can take the following steps.
- At the outset, restart your Mac.
- Then, when booting, hold the two keys “Command” and “S” at the same time.
- Next, after booting into Single User Mode”, you can input the “fsck -fy”.
- Later, FSCK will execute followed by a prompt “File system was modified.
- After that, you can re-launch the “fsck –fy” until you get the message – “The volume appears to be OK”.
- Finally, you can exit the Single User Mode.
If the method cannot help you repair the drive file system, you have no choice but to take the other means. Move on to get the others.
2. Format & Restore Backup
Now that the “Invalid Node Structure” is suggesting a file system issue. Therefore, actually, such issues can be solved simply via disk formatting. However, as we all know, disk formatting is virtually to replace the older diseased file system with a new healthy one. It’ll clean up all the drive data. Hence, before deciding to format the disk, you have to insure an effective data backup, which will be required for data recovery, like PST recovery, after formatting.
3. Use Third Party Repair Software
Apart from the above means via inbuilt tool, you can also recur to any third party repair utilities. To be honest, there are multiple tools available for fixing such an error on today’s market. You can easily get one. But, in the meantime, you have to beware of those unreliable tools, which can make further damage to your drive.
4. Consult with Specialists
Of course, provided that you are still confused about this error and cannot figure out what happens indeed, you had better ask professionals for help. Don’t try DIY repair when you aren’t sure about the disk issue. You can straightly go to the disk repair shops nearby or search for disk repair services on Internet.
Shirley Zhang is a data recovery expert in DataNumen, Inc., which is the world leader in data recovery technologies, including corrupted sql and outlook repair software products. For more information visit www.datanumen.com