Unlock the Mystery: External Drive Fix Stuck at 100%

Discover effective solutions for scanning and repairing external drives stuck at 100%. Unlock the mystery and troubleshoot with ease.


By Miya Updated on January 22, 2024

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External drives occasionally get stuck at 100% during scanning and repairing processes, causing frustration for users. Understanding this issue is the key to finding effective solutions.

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Unveiling the Problem

External drives getting stuck at 100% during scanning and repairing is a common concern. This issue can lead to data inaccessibility and system slowdowns. Several factors contribute to this problem.

1. File System Errors

File system errors can interrupt the scanning and repairing process, leading to the drive getting stuck at 100%. Corrupted file structures are a common culprit.

2. Bad Sectors

The presence of bad sectors on the external drive can cause scanning and repairing to halt. Bad sectors hinder the normal functioning of the drive and can impede the repair process.

3. Connection Issues

Faulty or loose connections between the external drive and the computer can also result in the scanning and repairing process coming to a standstill.

Solving the Mystery: Step-by-Step Solutions

Solution 1: Check and Repair File System Errors

  1. Open Command Prompt as Administrator.
  2. Type "chkdsk /f /r" and press Enter.
  3. Confirm the disk check and restart your computer.
  4. Allow the process to complete; this may take some time.
  5. Reconnect your external drive and check if the issue persists.

Solution 2: Handle Bad Sectors with AOMEI Backupper

  1. Download and install AOMEI Backupper.
  2. Launch the software and select "Disk Backup."
  3. Choose the external drive as the source disk.
  4. Select a destination path on a healthy drive.
  5. Click "Start Backup" to initiate the process.

Solution 3: Ensure Stable Connections

  1. Disconnect the external drive and inspect the cable for damage.
  2. Try a different USB port or cable.
  3. Reconnect the drive and check if the scanning and repairing process completes.

Product Introduction: AOMEI Backupper - Your Reliable Solution

AOMEI Backupper offers a user-friendly interface and robust features, making it an ideal choice for backing up and restoring data. With intuitive steps and a variety of backup options, AOMEI Backupper ensures your data's safety effortlessly.

Step-by-Step Guide: Backing Up Files to External Hard Drive with AOMEI Backupper

  1. Open AOMEI Backupper and select "Backup."
  2. Choose the files or folders you want to back up.
  3. Select the external hard drive as the destination path.
  4. Configure backup settings and schedule if desired.
  5. Click "Start Backup" to initiate the process.

FAQ: Answering Your Queries

Q: How long does the scanning and repairing process usually take?

A: The duration depends on factors like drive size and system performance but may take some time.

Q: Can AOMEI Backupper fix bad sectors?

A: No, AOMEI Backupper focuses on data backup and restoration; it doesn't repair bad sectors.

Q: Is it safe to disconnect the external drive during scanning?

A: It's not recommended, as it may lead to data corruption. Let the process complete.

Q: What if AOMEI Backupper encounters errors during backup?

A: Check your connection, restart the software, or consult AOMEI support for assistance.

Q: Can AOMEI Backupper backup multiple external drives simultaneously?

A: Yes, AOMEI Backupper supports multiple backup tasks running concurrently.

Q: Is AOMEI Backupper compatible with macOS?

A: AOMEI Backupper primarily supports Windows; for macOS, consider alternatives like Time Machine.

Demystifying Technical Terms

  1. File System Errors: Issues within the structure of files and directories on a storage device.
  2. Bad Sectors: Damaged portions on a storage medium that may result in data loss.
  3. USB Port: Universal Serial Bus connection point for external devices.

Pro Tips for a Seamless Experience

  1. Regularly check your external drive for errors to prevent future disruptions.
  2. Keep AOMEI Backupper updated to benefit from the latest features and improvements.
  3. Invest in high-quality USB cables to ensure stable connections.


Scanning and repairing external drives stuck at 100% can be resolved with the right knowledge and tools. Utilizing solutions like AOMEI Backupper, understanding technical terms, and following pro tips will empower you to keep your external drives functioning seamlessly. Embrace these insights to unlock the mystery and maintain the health of your storage devices.

Miya · Editor
Miya has an excellent insight and receives professional and systematic technical training since joining AOMEI. She has a comprehensive understanding of computer issues, aiming at helping users troubleshoot all kinds of problems. A lot of computer users around the world have found her articles very helpful!