Are you having trouble connecting your voice recorder to a computer or accessing your recorded files? Whether your device is not recognized, your recordings are missing, or you need to format the memory, this step-by-step guide will help you resolve common issues and optimize your recorder’s performance.

In this guide, you’ll learn how to:

✅ Check and fix USB connection issues on Windows and macOS.
✅ Reset the voice recorder if it’s not detected.
✅ Format the device’s memory to recover missing recordings.
✅ Set up recording configurations for optimal sound quality.
✅ Transfer and store recordings safely on your computer.
✅ Understand the main folders in your recorder’s storage.

Follow these instructions to ensure a smooth and hassle-free experience with your voice recorder!

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Check and fix USB connection issues on Windows and macOS

To access your recorded files or configure the device, you need to connect your voice recorder to a computer correctly. Follow this step-by-step guide to check and fix connection issues if your computer does not recognize the device.

1. Choose the Correct USB Cable

• Use the USB-C cable included in the box.
• If your computer does not have a USB-C port, use the USB-C to USB-A adapter (also included) to connect the recorder to a standard USB port on your laptop or PC.

2. How to Connect

• Plug the USB-C end into the voice recorder.
• Plug the other end (USB-C or USB-A) into your computer’s USB port.

3. Wait for Your Computer to Recognize the Device

After connecting, your computer should automatically detect the recorder as a removable USB drive. Here’s how to check:

• On Windows:
  • Press Windows + E to open File Explorer.
  • Click on This PC or My Computer.
  • Look for a new USB drive listed.
• On macOS:
  • Open Finder.
  • Look under the Locations section in the left sidebar for your USB device.

USB Drive Names for TCTEC Recorders

Product Type	Drive Name on Computer	Notes
Keychain Voice Recorder	KL130	Appears as a USB drive named "KL130" Don't miss: Frequently Asked Questions About the Keychain Voice Recorder
Mini Voice Recorder	L800	Appears as a USB drive named "L800" Don't miss: Frequently Asked Questions About the Mini Voice Recorder
Digital Voice Recorder	L89	Appears as a USB drive named "L89" Don't miss: Frequently Asked Questions About the Digital Voice Recorder
Pen Voice Recorder	USB Disk (F:)	Shows as "USB Disk" with a letter like (F:) Don't miss: Frequently Asked Questions About the Pen Voice Recorder
Smart AI Voice Recorder	TCTEC	Appears as a drive named "TCTEC" Don't miss: Frequently Asked Questions About the Smart AI Voice Recorder

4. What to Do If Your Recorder Doesn’t Show Up  

If your voice recorder doesn’t appear in File Explorer (Windows) or Finder (macOS), it may still be connected but not yet visible. This often happens when the device isn’t assigned a drive letter or hasn’t been mounted. Follow the steps below to fix the issue based on your operating system.

Windows – Device Not Showing in File Explorer	macOS – Device Not Showing in Finder
Cause: Device is connected but not assigned a drive letter.	Cause: Device is connected but not mounted.
Step 1: Open Disk Management Press Windows + X → Select Disk Management.	Step 1: Open Disk Utility Press Command + Space → Type Disk Utility → Press Enter.
Step 2: Find Your Recorder Look for a disk named KL130, L800, TCTEC, etc.If it shows “Healthy” but no letter (like F:), that’s the issue.	Step 2: Locate the Device Look for a disk named KL130, L800, L89, USB Disk, or TCTEC in the left panel.If it’s gray, it’s not mounted yet.
Step 3: Assign a Drive Letter Right-click → Choose Change Drive Letter and Paths... → Click Add or Change → Pick a letter (e.g., E, F, G) → Click OK.	Step 3: Mount the Device Select the device → Click Mount at the top.
Step 4: Check File Explorer Open File Explorer (Windows + E) → The recorder should now be listed.	Step 4: Check Finder Open Finder → Look under Locations → Your recorder should now appear.

5. Troubleshooting Tips

If your voice recorder still doesn’t appear:

• Unplug the USB and reconnect it.
• Try using a different USB port.
• Check if the cable is damaged or loose.
• Restart the recorder or your computer.
• Try connecting the recorder to a different computer.

Note:  Please try checking if the device is still recording properly. You can listen to the recordings directly on the device using the included Type-C earphones (Use the earphone’s volume control to switch between different recording files)

This step will help us determine whether the issue is related to the recording process or another cause, so we can provide the most accurate solution for you.

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Need More Help?

If the steps above do not work, please contact us for assistance:

📩 Email: info@tctecinnovation.com

💬 Live Chat: Visit our website at tctecinnovation.com and chat with our support team.

▶️ YouTube chanel "TCTEC": Watch step-by-step video tutorials for each product.

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Reset the voice recorder if it’s not detected

If your voice recorder is still not recognized after checking Disk Management (Windows) or Disk Utility (macOS), try restarting the device. Follow the steps below based on your recorder type. 

Note: 

• A reset will erase all personal settings but will not delete recorded files.
• If the device does not respond after resetting, fully charge the battery and try again.
• After resetting, you may need to reconfigure (for Digital Voice Recorder). The Keychain Voice Recorder and Pen Voice Recorder do not support reset functions.

1. Digital Voice Recorder

Method 1: Hard Reset Using the Reset Button

1. Locate the Reset button (usually a small hole on the device).
2. Use a SIM ejector tool or a toothpick to press and hold the Reset button for a few seconds.
3. The device will automatically restart.

Method 2: Factory Reset from the Menu

1. Turn on the device and press the M (Menu) button.
2. Use the Up/Down buttons to navigate to Settings, then press Play/Pause to enter.
3. Select Factory Settings.
4. When the screen displays Yes/No, choose Yes and press Confirm to reset.
5. The device will restart with default settings.

2. Smart Voice Recorder

1. Locate the Reset button (usually a small hole on the device).
2. Use a SIM ejector tool or a toothpick to press and hold the Reset button for a few seconds.
3. The device will automatically restart.

3. Mini Voice Recorder 

1. Locate the Reset button (usually a small hole on the device).
2. Use a SIM ejector tool or a toothpick to press and hold the Reset button for a few seconds.
3. The device will automatically restart.

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Need More Help?

If the steps above do not work, please contact us for assistance:

📩 Email: info@tctecinnovation.com

💬 Live Chat: Visit our website at tctecinnovation.com and chat with our support team.

▶️ YouTube chanel "TCTEC": Watch step-by-step video tutorials for each product.

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Format the device’s memory to recover missing recordings

If your voice recorder is connected to your computer but you cannot find the recorded files, you may need to format the device's memory. Follow these steps to safely format your recorder and restore its functionality.

• Step 1: Connect the Device to Your Computer
  • Use the USB cable provided to connect the voice recorder to your computer.
  • Wait for the computer to detect the device and display it as a USB drive.
• Step 2: Back Up Important Files
  • Open the USB drive on your computer.
  • Copy all important recordings or files to your computer to prevent data loss.
• Step 3: Format the Device’s Memory

On Windows	On macOS
1. Open File Explorer Right-click the recorder’s USB drive.	1. Open Disk Utility Press Command + Space, type “Disk Utility”.
2. Select “Format” from the context menu.	2. Select your device from the left panel.
3. In the Format window, set the following: • File System: exFAT • Allocation unit size: Default • Volume label: (Optional) name your drive • Quick Format: Check this box	3. Click “Erase” at the top.
4. Click “Start” to begin formatting.	4. In the Format section, choose “MS-DOS (FAT)” (same as FAT32).
5. Click “OK” when formatting is complete.	5. Click “Erase” again to confirm and start formatting.

• Step 4: Verify After Formatting
  • Open the USB drive to ensure the memory is empty.
    
  • If the MRECSET.txt file is missing or empty, download a new version here or create a new file using Notepad (Windows) or TextEdit (macOS), copy and paste the correct settings (here), save it as MRECSET.txt, and place it in the recorder’s USB drive.

Notes:

• Only format if you have backed up important data.
• Do not disconnect the device during formatting to avoid errors.

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Set up recording configurations for optimal sound quality

To ensure accurate timestamps and optimal recording quality, you need to edit the MRECSET.txt configuration file on your device. Follow these steps carefully.

• Step 1: Open the Configuration File
  • Connect your voice recorder to your computer using a USB cable.
  • Open the device’s USB drive and locate the file MRECSET.txt.
  • If the MRECSET.txt file is missing or empty, download a new version here or create a new file using Notepad (Windows) or TextEdit (macOS), copy and paste the correct settings (here), save it as MRECSET.txt, and place it in the recorder’s USB drive.
    
• Step 2: Edit the Recording Settings

Modify the file with the following parameters:

• Step 3: Safely Disconnect and Restart the Device

• • Windows: Right-click on the device’s USB drive → Select Eject.
  • macOS: Drag the USB drive to the Trash or click Eject in Finder.
  • Unplug the USB cable from your computer.
  • Turn off and restart the device to apply the new settings. (If need)

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Need More Help?

If the steps above do not work, please contact us for assistance:

📩 Email: info@tctecinnovation.com

💬 Live Chat: Visit our website at tctecinnovation.com and chat with our support team.

▶️ YouTube chanel "TCTEC": Watch step-by-step video tutorials for each product.

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Transfer and store recordings safely on your computer

Easily transfer your voice recordings from the device to your computer by following these steps:

• Step 1: Connect the Device to Your Computer

• • Use the USB-C cable included in the box.
  • If your computer does not have a USB-C port, use the USB-C to USB-A adapter (also included) to connect the recorder to a standard USB port on your laptop or PC.
• Step 2: How to Connect
  • Plug the USB-C end into the voice recorder.
  • Plug the other end (USB-C or USB-A) into your computer’s USB port.
• Step 3: Wait for Your Computer to Recognize the Device

After connecting, your computer should automatically detect the recorder as a removable USB drive.

• Step 4: Transfer the Recordings
  • Drag and drop the recordings from the device folder to a desired folder on your computer for storage.
• Step 5: Safely Disconnect the Device
  • Windows: Right-click the device’s USB drive → Select Eject.
  • macOS: Drag the USB drive to the Trash or click Eject in Finder.
  • Unplug the USB cable once it's safe to disconnect.

How To Copy Files To Laptop/Computer, Video by TCTEC

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Understand the main folders in your recorder’s storage

When you connect your voice recorder to a computer, you will see several main folders in the USB drive. Each folder serves a specific purpose.

1. "MUSIC" Folder