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LG Electronics GGW-H20L
Firmware Version YL05
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Never update the firmware if the problem you’re having is the drive 
isn't seen by windows, won't write with the included software, or other  
interface related problems, unless the firmware specifically states it 
fixes the problem you are having. Firmware updates normally don't fix these 
types of problems. Trying to update the firmware when there are interface 
address these problems can damage the drive's firmware. An error when 
updating the firmware is usually caused by a problem with the drive  
interface or there is more than one drive connected to that IDE channel.


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Version History 
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YL05
- Write strategy improvement for new BD-R and BD-RE Media
  (BD-R : 24kinds, BD-RE : 4kinds)

YL04
- Addition of write strategy

YL03
- Improved writing quality

YL02
- Improved writing quality



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Supported Drives
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This firmware upgrade is for LG Branded drives. This upgrade is NOT 
designed for drives manufactured for HP, IBM, Compaq, Dell or any
other OEM (Original Equipment Manufacturer) customers, please contact
the OEM for all firmware updates and support for your OEM drive.


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Upgrade Instructions
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This firmware software only works in windows mode with Windows
2000/XP. If you encounter problems in flashing the firmware or have
any questions, please contact our LG customer support line toll-free at
1-800-243-0000.

1. If you haven't already, download the firmware file and extract the zip
   file.

2. Connect the drive to the secondary IDE channel as a master drive with
   no other devices connected to that channel (Ignore if it's an SATA drive).
   Start Windows and verify it can recognize the drive.

3. Close all other programs including: screen saver, and /or antivirus. 
   Do not open any programs or start any system functions during the 
   update as they can interfere with data transfer and damage the drive. 

4. Open the firmware program. 

5. Click the update button and do not touch or interfere with the drive
   while the firmware is being upgraded. IMPORTANT - DO NOT INTERFERE WITH 
   THE DRIVE DURING THIS PROCESS. If an error occurs during the upgrade 
   process, or the upgrade process is cancelled during this process, damage 
   to the drive can occur.

6. When the upgrade is complete the screen should say FIRMWARE UPDATE
   SUCCESSFUL. Re-boot your PC.

7. Enjoy!


If you experience any problems or have any questions, please contact LG
customer support at 1-800-243-0000.
