"Last night, I moved some data files from my Transcend 8GB flash drive to another drive using cut and paste. However, afterward, I encountered an error message and was unable to access my flash drive."

Then I reconnected it to the PC, the light flashed but the drive wasn't recognized. I also received a message asking me to 'insert a disk into removable drive G'. How do I fix this issue?

When your Transcend USB flash drive is not being detected/recognized or if your Transcend USB pen drive is functioning improperly in Windows 10, 8, or 7, don't panic. Now, you can resolve this issue without losing any data by utilizing a Transcend USB repair tool, such as Jetflash Online Recovery, and data recovery software.

Follow along and see how to get your USB working again and recover all valuable data in the two sections below.

Part 1: Make Your USB Reusable with Transcend USB Pen Drive Repair Tool

For Transcend USB pen drive users encountering the issue of USB not being detected or functioning properly, they can utilize the Transcend USB repair tool - JetFlash Online Recovery to resolve the problem.

It is developed by Transcend, designed to address the issue of "Transcend JetFlash USB flash drive not working or not detected" on Windows PCs. It achieves this by restoring the faulty flash drive to its original factory settings.

Since JetFlash Online Recovery is not a tool product, you will need to download it from the official Transcend website: .

Notice:
1. During the JetFlash Online Recovery process, all data stored on the Transcend flash drive will be DELETED.
Thus, please备份重要数据in advance.
2. If you cannot access the Transcend USB, first use JetFlash Online Recovery for repair.
Then proceed to Part 2 and utilize file recovery software to restore your lost valuable files.
3. To prevent unnecessary data loss, always remember to create a backup of important files on another storage device.

Guide: Repair Transcend USB Flash Drive with JetFlash Online Recovery

Step 1: Connect the Transcend USB flash drive to your computer and launch the Transcend repair tool - OnLineRecovery.exe.

Step 2: Connect your computer to the Internet, let the program check your USB and click "OK" to confirm.

Step 3: Choose the repair mode: Repair drive & erase all data or Repair drive & keep existing data.

  • To resolve the issue of "Transcend USB flash drive not working or detected," erasing all data is necessary.
  • Select "Repair drive & erase all data" and click "Start."
  • All your saved files on the Transcend USB flash drive will be permanently erased.

Repair undetectable Transcend USB pen drive.

Step 4: Wait patiently until the repair process is complete. Click "Exit" to finish and unplug the device.

Now, re-insert your Transcend USB flash drive into the computer. Windows will promptly detect the drive once it's connected.

Tip
If the Transcend USB repair tool - JetFlash Online Recovery fails to fix the non-functional USB, you can refer to USB not showing up for further assistance.

If your files, documents, music, pictures, or applications on the drive have been removed by JetFlash Online Recovery, do not worry.

In the following section, you'll discover reliable file recovery software offered by various tools to completely restore the lost files on your USB drive.

Part 2. Recover Lost Files from Transcend USB with File Recovery Software

Indeed, most users have no means to prevent file loss while addressing the issue of a Transcend USB flash drive or pen drive not being detected or functioning properly using JetFlash Online Recovery. The best approach would be to back up your data before attempting to repair the device.

But if you can't access the undetectable USB to back up files, don't panic. First, refer to Part 1 for a comprehensive guide on how to fix the undetectable USB. Next, utilize a trustworthy tool like Data Recovery Wizard for assistance.

Data Recovery Wizard supports the recovery of data from Transcend memory cards, USB flash drives, pen drives, etc., that have been lost due to formatting, deletion, virus infection, etc., in just three simple steps.

Guide: Recover data from Transcend flash drive using Data Recovery Wizard tools

Step 1. Launch USB Data Recovery Software

Connect the USB drive or pen drive to your computer and launch the USB Data Recovery software on your PC. Select the drive that is identified as an 'External Drive' and click "Scan" to commence the search for lost files.

Select USB/pen drive to scan and find lost files
Translation:
Select USB/pen drive to scan and recover lost files

Step 2. Scan and Search for Lost Files on a USB Drive

Data Recovery Wizard will comprehensively scan your USB flash drive/pen drive and locate all your lost data on it. Upon completion of the scan, utilize the Filter feature to pinpoint the desired files.

Scan USB flash drive/pen drive to find lost files
Translation:
Scan USB flash drive/pen drive to find lost files

Step 3. Restore All Lost Files from USB In this step, you will recover all the lost files from your USB drive. Follow these instructions: 1. After the scanning process is complete, the software will display a list of all the found files in the scan results. 2. Preview the files by selecting them one by one or using the "Preview" option, if available. This will help you ensure that you're restoring the correct files. 3. Check the boxes next to the files you wish to restore, or select the entire folder if you want to recover all lost files. 4. If your USB drive is not the default "Destination Path," click on "Change" to choose a safe location on your computer to save the recovered files. It's essential not to save the recovered files back to the same USB drive to avoid overwriting any remaining data. 5. Once you've selected the destination, click on the "Start" or "Recover" button to initiate the file restoration process. Wait for the process to finish, and then you can access your restored files from the designated save location on your computer.

A double-click enables you to preview the files. Select the targeted files for restoration and click "Recover" to save them to a secure location on your PC or other external storage devices.

Restore lost USB/pen drive data

Watch the video tutorial to resolve the issue of USB not being detected:

Knowing how to fix a non-working or undetectable Transcend USB pen drive is not the most effective approach for data protection. Instead, here are some practical tips to help you safeguard your files and data on your Transcend USB flash drive or pen drive: 1. **Regular Backup**: Make it a habit to back up important files to another storage device or cloud service regularly. This ensures that you have a copy of your data in case of any issues with your Transcend drive. 2. **Use Antivirus Software**: Keep your system protected with up-to-date antivirus software to prevent virus or malware infections that could damage your files or drive. 3. **Safe Removal**: Always use the "Safely Remove Hardware" option or the corresponding feature on your operating system before physically disconnecting your Transcend USB drive. This prevents potential data loss or corruption. 4. **Keep Firmware Updated**: Check for and apply firmware updates for your Transcend USB drive from the manufacturer's official website. This ensures optimal performance and security. 5. **Avoid Overfilling**: Do not fill your Transcend pen drive to its maximum capacity, as this can lead to performance issues and potential data corruption. 6. **Handle with Care**: Physically handle your USB drive gently and store it in a protective case when not in use. Avoid exposing it to extreme temperatures, humidity, or magnetic fields. 7. **Format Responsibly**: Only format your Transcend USB drive when necessary, and make sure to backup your data first. Incorrect formatting can lead to data loss. 8. **Strong Password Protection**: If supported, enable password protection on your Transcend drive to prevent unauthorized access to your files. 9. **Encryption**: Consider encrypting sensitive data on your USB drive using built-in encryption features or third-party tools. This adds an extra layer of security. By following these tips, you can significantly reduce the risk of data loss or damage on your Transcend USB pen drive.

1. Regularly back up valuable files.

With a backup, you can always survive when data loss issues occur or your Transcend USB pen drive becomes undetectable or even stops working. To do so, we recommend backing up your files to another external hard drive or USB using reliable file backup software.

With the Todo Backup tool, you can effortlessly perform a full backup of your desired files in just three simple steps. This efficient process saves both time and storage space on your target device.

Step 1. Begin by selecting the backup content.

create disk backup step1

Step 2. There are four backup categories: File, Disk, OS, and Mail. Click on Disk.

create disk backup step2

Step 3. You can choose to back up the entire disk or a specific partition. Select what you need and click OK.

disk partition backup

Step 4.  Choose the location where you want to save the backup.

Select a backup target location

Step 5. For disk/partition backup, you can choose to save the backup to a local drive or to a NAS.

Disk backup step5

Step 6. Once the backup process is finished, your task will be displayed on the left. Right-click on any task to manage your backup, such as recovering it, creating an incremental backup, and more.

Disk backup step6

2. Regularly check and repair existing errors.

When the USB pen drive has internal file system errors or other unknown issues, you won't be able to use it. It's essential to use the Disk Error Checking tool to regularly check and repair any internal errors:

Step 1: Connect the USB to your PC, open File Explorer, and right-click on the USB.

Step 2: Click on "Properties," then go to the Tools tab.

Step 3: Click on the Check button under the Error checking section.

    It will scan the drive and repair it if errors are found.

check disk errors in Windows 10 drive tool in Propertities

3. Clean up virus with antivirus software

Virus infection can also lead to issues with storage devices not functioning properly. It's crucial to use antivirus software to eliminate viruses and malware.