Software⏱️ 3 min read📅 2026-06-11

How to Fix: In/out-error, lost document

Technical issue with missing document on flash drive, unable to move files into folder and encountering In/out-error.

Quick Answer: Try using fsck.vfat to repair the file system and check for any undeleted files.

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. 🛠️ Step-by-Step Verified Fixes
  3. 🎯 Final Words

The issue of 'In/out-error, lost document' affects users who have experienced a frustrating situation where they cannot access or move files from a specific folder on their flash drive. This problem occurs when the folder becomes inaccessible due to file system errors or corrupted data.

This error can be particularly frustrating for users who rely on their flash drives for storing and accessing important documents. The goal of this troubleshooting guide is to help users identify the root cause of the issue and provide a step-by-step solution to recover lost files.

🛑 Root Causes of the Error

  • The primary reason for this error is file system corruption or damage to the ext3 file system on the flash drive. This can occur due to power failures, physical damage to the device, or incorrect file system checks. Additionally, the presence of a mysterious, empty folder with an unusual document may indicate a file system issue.
  • Another possible cause is the failure of fsck.vfat, which is used to check and repair file systems on FAT-based devices. This can happen if the fsck.vfat command is not installed or not configured correctly.

🛠️ Step-by-Step Verified Fixes

Recovering Lost Files using fsck and checking for corrupted files

  1. Step 1: Open a terminal and type `sudo fsck -a` to automatically scan the file system for errors. If any issues are found, fsck will attempt to repair them.
  2. Step 2: If the above command does not resolve the issue, try using `sudo fsck.vfat` to check for corrupted files. This may require additional configuration or installation of the fsck.vfat package.
  3. Step 3: To recover lost files, use a file recovery software such as PhotoRec or Recuva to scan the flash drive for deleted files. Be cautious when using these tools, as they can potentially overwrite data on the device.

Checking Libre Office History and searching for alternative solutions

  1. Step 1: Open Libre Office and navigate to the 'History' menu. Look for any recent document openings that may have been saved to a different location.
  2. Step 2: Try opening the mysterious, empty folder in Libre Office to see if it contains any recoverable data. If so, use the 'Recover' option to retrieve the file.

🎯 Final Words

To summarize, the 'In/out-error, lost document' issue can be resolved by first checking for file system corruption and using fsck.vfat to repair any issues. Alternatively, users can try recovering lost files using file recovery software or checking Libre Office history for alternative solutions.

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