1. Product Overview
The LG BP50NB40 is an ultra-slim portable Blu-ray writer designed for versatile optical media use. It supports Blu-ray, DVD, and CD formats for both reading and writing, offering M-DISC support for enhanced data archival longevity. Its compact design and USB 2.0 interface make it an ideal companion for laptops and desktops, compatible with both Windows and Mac OS X operating systems.
Key Features:
- Color: Black
- Buffer size: 4MB
- USB Interface: USB 2.0 (480Mbps burst transfer rate)
- Silent Play: Reduces noise during playback by automatically adjusting the read speed.
- Jamless Play: Prevents video playback interruption in case of damaged discs.
- M-DISC Support: Provides superior data protection by engraving data onto a hard, inorganic recording layer, offering a permanent data storage solution.
- Mac OS X Compatible: Seamless integration with Apple systems.
2. Package Contents
Please ensure all items listed below are included in your package:
- LG BP50NB40 6x Blu-ray Rewriter BD-RE/8x DVD±RW DL USB 2.0 Slim External Drive
- Install disk (software)
- USB cable
3. Initial Setup
Follow these steps to set up your LG BP50NB40 Blu-ray Writer:
- Connect the USB Cable: Connect the provided USB cable from the Blu-ray writer to an available USB 2.0 port on your computer. Ensure a secure connection. For optimal performance and power delivery, connect directly to a computer's USB port rather than an unpowered hub.
- Power On: The drive is bus-powered via the USB connection and does not require an external power adapter. It will power on automatically once connected.
- Driver Installation: Your operating system (Windows or Mac OS X) should automatically detect and install the necessary drivers. If prompted, follow the on-screen instructions.
- Software Installation (Optional): For Blu-ray playback and burning, dedicated software is often required. Install the included software from the install disk or acquire compatible third-party software (e.g., PowerDVD, VLC, CyberLink Media Suite).

Figure 1: LG BP50NB40 Blu-ray Writer with disc tray open, ready for disc insertion.
4. Operating Your Blu-ray Writer
4.1 Inserting and Ejecting Discs
- To Insert a Disc: Press the eject button on the front of the drive. The disc tray will slide out. Carefully place the disc onto the tray with the label side facing up. Gently push the tray back into the drive until it clicks into place.
- To Eject a Disc: Press the eject button on the front of the drive. Alternatively, you can eject the disc through your computer's operating system (e.g., right-click the drive icon and select 'Eject' on Windows, or drag the disc icon to the Trash on Mac OS X).
4.2 Reading Discs
Once a disc is inserted, your computer's operating system should recognize it. You may need specific software to play Blu-ray movies or access certain data formats. The drive supports:
- BD-ROM (SL/DL/TL/QL): Up to 6x CAV
- DVD-ROM (SL/DL): Up to 8x CAV
- CD-R/RW/ROM: Up to 24x CAV
4.3 Writing Discs
To write data to a disc, you will need compatible burning software (e.g., the included install disk software or third-party applications). Follow the instructions provided with your burning software. The drive supports various write speeds:
- BD-R (SL/DL/TL/QL): Up to 6x CAV
- BD-RE (SL/DL/TL): Up to 2x CLV
- DVD-R (SL/DL): Up to 8x CAV
- DVD+R (SL/DL): Up to 8x CAV
- CD-R: Up to 24x CAV
- M-DISC (DVD+R SL): Up to 4x PCAV
- M-DISC (BD-R SL): Up to 4x PCAV
5. Technical Specifications
| Feature | Specification |
|---|---|
| Model Number | BP50NB40 |
| Dimensions (H x W x D) | 0.6 x 5.7 x 6.1 inches |
| Item Weight | 0.84 ounces |
| Buffer Size | 4MB |
| Interface | USB 2.0 |
| Burst Transfer Rate | USB 2.0 480Mbps |
| Access Time (DVD-ROM) | 200ms typical |
| Access Time (BD-ROM) | 250ms typical |
| Access Time (CD-ROM) | 200ms typical |
| Optical Storage Write Speed | 6x (Blu-ray) |
| Optical Storage Read Speed | 8x (DVD), 6x (Blu-ray) |
| Special Features | Portable, Quiet, Silent Play, Jamless Play, M-DISC Support |
6. Care and Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the drive. Do not use liquid cleaners or abrasive materials.
- Disc Handling: Always handle discs by their edges to avoid fingerprints and scratches. Store discs in their cases when not in use.
- Environment: Keep the drive away from direct sunlight, excessive heat, humidity, and dust.
- Storage: When not in use, store the drive in a safe place to prevent damage. The integrated USB cable storage on the underside helps keep it tidy.
7. Troubleshooting Common Issues
- Drive Not Recognized:
- Ensure the USB cable is securely connected to both the drive and your computer.
- Try connecting the drive to a different USB port on your computer.
- Avoid using unpowered USB hubs, as the drive may require sufficient power directly from the computer.
- Restart your computer.
- Disc Read/Write Errors:
- Check the disc for scratches, smudges, or damage. Clean the disc if necessary.
- Ensure you are using compatible media for writing (e.g., BD-R for Blu-ray burning).
- Verify that your playback or burning software is up-to-date and compatible with the disc format.
- For Blu-ray playback, ensure your computer meets the minimum system requirements for the software and has sufficient processing power.
- Slow Performance:
- Close other applications running in the background that might be consuming system resources.
- Ensure your USB port is functioning correctly.
8. Warranty and Customer Support
This LG product comes with a manufacturer's warranty. For specific warranty details, please refer to the warranty card included in your package or visit the official LG website. For technical assistance, troubleshooting, or service inquiries, please contact LG customer support through their official channels.
You can visit the LG Store for more information: LG Store on Amazon
9. Important Safety Information
- Do not attempt to disassemble or modify the drive. This may void the warranty and cause damage.
- Keep the device away from water or other liquids.
- Avoid dropping the device or subjecting it to strong impacts.
- Use only the accessories provided or recommended by the manufacturer.
- Dispose of electronic waste responsibly according to local regulations.