Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your ASUS BW-12B1LT Blu-Ray Writer. Please read this manual thoroughly before using the device to ensure proper functionality and to prevent damage.
The ASUS BW-12B1LT is an internal Blu-Ray writer designed for high-definition video and data storage, featuring disc encryption and an optimized burning strategy for reliable performance.

Image: Front view of the ASUS BW-12B1LT Blu-Ray Writer, showing the disc tray and eject button.
Setup and Installation
1. Physical Installation
The BW-12B1LT is an internal optical drive. Ensure your computer case has an available 5.25-inch drive bay.
- Prepare your computer: Power off your computer and disconnect all cables. Open the computer case.
- Install the drive: Slide the Blu-Ray writer into an available 5.25-inch drive bay from the front of the case. Secure it with screws on both sides.
- Connect cables:
- Connect a SATA data cable from the drive to an available SATA port on your motherboard.
- Connect a SATA power cable from your power supply unit (PSU) to the drive.
- Close the case: Once connections are secure, close your computer case and reconnect all cables.
2. Driver Installation
For most modern operating systems (Windows 7/8/10/11, macOS, Linux), the drive will be automatically detected and basic drivers installed upon first boot. If prompted, allow the operating system to install necessary drivers.
For optimal performance and access to advanced features, it is recommended to install the latest drivers and utility software from the official ASUS support website. Navigate to ASUS Support and search for "BW-12B1LT".
Operating Instructions
1. Loading and Ejecting Discs
- To Load: Press the eject button on the drive's front panel. The disc tray will open. Place the disc gently onto the tray with the label side facing up. Push the tray back in until it clicks shut.
- To Eject: Press the eject button on the drive's front panel. Alternatively, right-click the drive icon in "My Computer" or "This PC" (Windows) or on the desktop (macOS) and select "Eject".
2. Burning Discs (Blu-ray, DVD, CD)
To burn data or video to a disc, you will need compatible burning software (e.g., Nero, CyberLink Power2Go, or software provided by ASUS). Follow the instructions provided with your burning software.
- Insert a blank, recordable disc (BD-R/RE, DVD-R/RW, CD-R/RW) into the drive.
- Launch your burning software.
- Select the type of project (data disc, video disc, audio CD, etc.).
- Add the files you wish to burn.
- Initiate the burning process. The drive utilizes an Optimal Tuning Strategy to perform a test before burning, generating optimized solutions for best quality.
3. Playing Discs
To play Blu-ray movies, DVDs, or audio CDs, you will need compatible playback software. For Blu-ray playback, specialized software (e.g., CyberLink PowerDVD, VLC Media Player with appropriate codecs) is often required.
- Insert the disc into the drive.
- Your operating system may automatically launch a default media player, or you may need to open your preferred playback software manually.
- The drive supports Magic Cinema Technology for enhanced visual experience and lossless pass-through for DolbyDigital EX and DTS-HD audio.
4. E-Green Technology
The BW-12B1LT incorporates E-Green (Energy Green Engine) technology, which automatically closes drive applications when not in use, saving up to 80% power consumption and contributing to energy efficiency.
Maintenance
1. Cleaning the Drive
- Exterior: Wipe the exterior of the drive with a soft, dry, lint-free cloth. Do not use liquid cleaners or abrasive materials.
- Lens: Avoid touching the optical lens inside the drive. If cleaning is necessary, use a specialized optical drive cleaning disc.
2. Firmware Updates
Periodically check the ASUS support website (www.asus.com/support/) for available firmware updates. Firmware updates can improve compatibility, performance, and address known issues. Follow the instructions provided with the firmware update utility carefully.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Drive not detected by computer. | Loose cables, incorrect BIOS settings, driver issue. |
|
| Disc burning fails or produces errors. | Poor quality disc, incorrect burning speed, software conflict, dirty lens. |
|
| Disc playback is choppy or freezes. | Scratched disc, outdated playback software/codecs, system resources. |
|
| Disc tray does not open/close. | Mechanical issue, power issue, software lock. |
|
Specifications
| Feature | Detail |
|---|---|
| Model | BW-12B1LT |
| Interface | SATA |
| Max BD-R Write Speed | 12X |
| Max DVD-R Write Speed | 16X |
| Max CD-R Write Speed | 48X |
| Max BD-ROM Read Speed | 12X |
| Max DVD-ROM Read Speed | 16X |
| Max CD-ROM Read Speed | 48X |
| Supported Disc Formats | BD-R/RE/ROM, DVD-R/RW/RAM/ROM, CD-R/RW/ROM |
| Supported Blu-ray Disc Capacity | Up to 32 GB (Dual Layer) |
| Dimensions (L x W x H) | 6.69 x 5.75 x 1.61 inches |
| Weight | 1.43 pounds |
| Special Feature | Dolbydigital support |
| Manufacturer | ASUS |
| Date First Available | February 7, 2011 |
Warranty and Support
Warranty Information
ASUS products are covered by a limited warranty. The specific terms and duration of your warranty may vary by region and product. Please refer to the warranty card included with your product or visit the official ASUS website for detailed warranty information.
Technical Support
If you encounter issues that cannot be resolved using the troubleshooting guide, or require further assistance, please contact ASUS technical support:
- Online Support: Visit the ASUS Support website at www.asus.com/support/ for FAQs, driver downloads, and contact options.
- Telephone Support: Check the ASUS support website for local telephone numbers and operating hours.
When contacting support, please have your product model (BW-12B1LT) and serial number ready.





