File system verification or repair failed.: (-69845) | How to fix it

Why do I get the error "File system verification or repair failed.: (-69845)"?

A utility called Disk Utility for Mac is designed to help users identify and repair file system errors on their personal computers. This is an essential tool that can assist users in finding and resolving filesystem issues, such as corrupted data, missing files, and other problems.

When users attempt to fix a hard drive using Disk Utility, they might encounter an error that says "File system verification or repair failed. : (-69845)." Are you worried about the reasons behind this error? Here are the primary causes:

- This issue may occur when attempting to First Aid an external drive, including one with the ExFAT file system or a Time Machine backup. - The error can happen on an external or internal hard drive, an SD card, or a USB flash drive on any version of macOS. Typically, it's discovered when the drive's file system is damaged. A sudden power outage, invalid volume header, ransomware attack, or a corrupted directory file can lead to the "File system verification or repair failed. (-69845)" error. - The error might also come with additional details like "Error: Repair cannot be performed while space verification is incomplete."

Encountering the error "File system verification or repair failed.: (-69845)"? This article presents various repair methods for your reference. Let's get started!

"File system verify or repair failed. (-69845)"

Recover Lost Files When Encountering "File system verification or repair failed.: (-69845)"

If you encounter a failed verification or repair of the file system (-69845), you might experience data loss. But with a professional data recovery tool, you can quickly restore various types of files. Wondering which tool we're talking about? It's none other than tools Data Recovery Wizard for Mac! This tool can help you recover lost data when you encounter unexpected disk errors.

In addition, the Data Recovery Wizard for Mac tool can help resolve complex data loss issues:

• Data recovery from a damaged hard drive. When faced with a damaged hard drive, this recovery tool can help restore your data before you fix the issue on your Mac.
• Recover data from a formatted Mac hard drive. You still have a chance to retrieve data from a formatted Mac hard drive using this recovery tool.
• Restore files lost after updating to macOS Ventura. This powerful tool comes in handy when you lose important data after upgrading your macOS.
• Supports Mac Trash recovery. If you accidentally delete crucial data and empty the Trash, you'll need the Mac Data Recovery Wizard.

Now you can follow the prompts to recover your lost files:

Step one: Find the missing records.

Select the disk location where you lost your files (it can be an internal HDD/SSD or a removable storage device) for macOS Sierra, High Sierra, Mojave, Catalina, Big Sur, Monterey, Ventura, and the latest Sonoma. Click on the “Search Lost Files” button.

Note: Before data recovery, it's recommended that you click “Disk Backup” from the left sidebar to create a backup of your Mac to prevent further data loss. After the backup, the software can recover data from the Mac backup, and your computer can write new data again.

Step 2: Review the scan results

Data Recovery Wizard for Mac will immediately scan the disk volume you choose and display the scanning results.

Step 3. Select the files and recover them

From the scan results, select the files you wish to preview and then hit the “Recover” button to get them back.

How to Fix "File System Verification or Repair Failed: (-69845)" Error on Internal Hard Drive

There are several built-in Mac tools you can use to fix the “File system verification or repair failed: (-69845)” error. However, specific solutions, such as reformatting the drive, will erase your data. Follow these steps to resolve the issue:

1. Boot into Safe Mode to Fix the Error

If you're using macOS Catalina 10.15, follow these steps to boot your Mac into Safe Mode:

Step one: Turn off your Mac by pressing the Power button or choosing Apple menu > Shut Down.

Step Three: Hold down the power button.

< b > Step 4:< / b > As it starts to boot up, quickly press and hold the Shift key.

5. Release the Shift key when you see the gray Apple logo and progress indicator.

2. Run FSCK to fix “File system verify or repair failed”: (-69845)

A File System Consistency Check (or FSCK) is a useful utility for detecting and repairing disk errors. To run FSCK, you'll need to boot your Mac into macOS Single User Mode. Follow these steps:

Step 1: Turn off your Mac.

Step Two: As it starts up, hold down the Command and S keys; you'll hear the startup chime.

Step 3: Type /sbin/fsck -fy and press Return.

Step 4: You should see two messages: Volume [name] appears to be OK – all is well, and Changes made to the file system; problems found and corrected.

Step 5: If you see the second message, enter the /sbin/fsck -fy command again until you see the message “Volume [name] appears to be OK.”

Step 6: Restart your MacBook.

3. Run First Aid from the macOS Disk Utility to fix the issue

Using Disk Utility's “First Aid” feature is the fastest way to diagnose and fix issues with your partitions and disks. It checks and fixes formatting and directory structure errors. First, you'll need to open Disk Utility in Recovery Mode. Follow these steps to run First Aid in Disk Utility on macOS to fix the problem:

For Macs with the M1 chip:

Step 1: Restart your MacBook.

Step 2: Hold down the Power button until you see “Load Startup Options.”

Step 3: Tap the Gear Icon.

< b > Step 4: < /b > Launch Disk Utility .

For Intel-based Macs:

Step 1: Restart your MacBook.

Step 2: Hold down Command+R.

< b > Step 3:< /b > When the macOS Utilities window appears, launch Disk Utility.

Next, you should use Disk Utility's “First Aid” feature to fix a disk that reports a “File system verification or repair failed” error:

Step 1: In the Disk Utility menu bar, choose View.

< b > Step 2:< /b > Choose Show all devices .

Select “Show All Devices”.

Step 4: Restart your MacBook to finish the error correction.

If you managed to fix the “File system verification or repair failed. (-69845)” error, don't forget to share your method with other users!

4. Factory Reset and Reinstall macOS on a Mac

If none of the above works, it might be time to factory reset your MacBook Air or Mac and reinstall macOS. Follow the steps below to factory reset macOS on your Mac:

Step 1: Open System Preferences. Click the Apple icon and select “System Preferences” from the drop-down menu.

Step 2: Open Erase Assistant. Launch Erase All Content and Settings from System Preferences.

Step 3: Follow the Erase Assistant's instructions. You can use the Erase Assistant to perform a factory reset, but you must sign out of iCloud first.

You can reinstall macOS using a bootable USB installer. Follow these steps:

Step 1. Download macOS Ventura or another version.

Step 2: Use the terminal to create a bootable USB device.

Step 3: Use the bootable installer

For Intel-based Macs

1. You need to insert the installer and check for compatibility and connectivity.
2. Hold the Option key to display a list of volumes on your screen.
3. Select the volume with the bootable installer, then press Return.

For Apple Silicon

1. If necessary, insert the bootable USB drive.
2. Ensure it has a stable network connection compatible with the installed version of macOS.
3. Press and hold the power button until you see the "Utilities" window.
4. Select the volume containing the operating system, then click "Continue."

How to Fix "File system verification or repair failed: (-69845)" on an External Hard Drive

With your data safeguarded, you can proceed with “File system verification or repair failed”: (-69845) without fear of losing data. If Disk Utility reports an exit code such as “File system check exit code is 1,” “File system check exit code is 65,” “File system check exit code is 8,” and so on, try these simple solutions.

1. Restart your Mac to fix "File system verification or repair failed.: (-69845)" When encountering this error, restarting your Mac might help resolve the issue. Follow these steps: 1. Press and hold the power button, and immediately hold down Command + R until you see the Apple logo. 2. This will boot your Mac into Recovery Mode. Once in Recovery Mode, you'll see a menu bar with several options. 3. From the menu, choose "Utilities" > "Disk Utility." 4. In "Disk Utility," select your startup disk (usually named "Macintosh HD"). 5. Click "Verify Disk" or "Verify Disk Permissions." If any issues are found, try "Repair Disk" or "Repair Disk Permissions." 6. After that, close "Disk Utility" and choose "Reboot" from the menu to restart your Mac. If the problem persists, you may need to contact Apple Support or seek professional assistance.

A simple restart can resolve many issues on your Mac, including “File system verification or repair failed: (-69845).” So, follow these steps to restart your Mac:

Step 1: Hold down your Mac's power button to turn it off.

Step 2: Wait 10 seconds, then open it again to run First Aid. If you still see this error, try the next solution.

2. Use the Mac Disk Utility to reformat the external hard drive

When you encounter the “File system verification or repair failed: (-69845)” error on an external hard drive, reformatting is a flexible way to resolve disk errors. Here are the main steps to reformat the hard drive:

Step 1: Open Disk Utility.

Step 3: Click the Erase button at the top of the window.

4. After naming the disk and selecting the format type, click “Erase” again. This process may take a few minutes.

Step 5: When you're done, select Done.

3. Send the damaged external hard drive for repair

Unfortunately, if none of these fixes resolve the “File system verification or repair failed: (-69845)” issue, your drive might be physically damaged. You'll need to replace it with another drive or take it to a local drive-repair facility.

Ideally, you should have resolved the issue that caused the error message “File system verification or repair failed: (-69845)” on your external drive. If so, please share the steps above to help more people.

Conclusions

It's frustrating to see an error message like “File system verification or repair failed: (-69845).” In this article, you'll find some useful methods to fix a corrupted Mac internal or external hard drive. But first, use the Data Recovery Wizard for Mac tool to recover lost data from the damaged drive and ensure your data safety.

The file system verification or repair failed.: (-69845) FAQs

Read through the following frequently asked questions to gain a better understanding of the topic:

1. How to fix a damaged hard drive on a Mac?

You can fix a corrupted hard drive on Mac by running the FSCK command or using Disk Utility. If you've lost data due to a corrupted Mac hard drive, you can download Data Recovery Wizard for Mac to recover your lost data.

Why does my Mac show "File system verification or repair failed.: (-69845)"?

Any version of macOS running on a computer may encounter the “File system verification or repair failed: (-69845)” issue on an internal or external hard drive, USB flash drive, or SD card. This could be due to an unstable file system on the disk, such as unexpected power loss, corrupted directory files, volume header issues, or a malware attack.

How do I fix the “File system verification or repair failed. (-69845)” issue in Disk Utility?

You can resolve the issue "File system verification or repair failed.: (-69845)" by reformatted the external drive using Disk Utility. Follow these steps to fix the error:

1. Open Disk Utility. 2. From the left sidebar, select the drive showing the error 69845. 3. Click "Erase" on the screen. 4. Enter a name and format, then click "Erase." This process may take some time to complete. 5. Once done, click "Finish."

How do I fix error code 8 on my Mac?

Please follow these steps to resolve Error Code 8 on your Mac:

1. Back up the Mac data stored. 2. Go to Applications > Utilities > Disk Utility. 3. Select the damaged drive, then click "First Aid" from the top menu bar. 4. Click "Finish," then restart your MacBook.