Downgrading your UHD Blu-ray optical drive firmware is not is not as complex as many people think. Now that you know why you might want to downgrade the firmware on your UHD Blu-ray Disc optical drive, you can finally prepare to downgrade your LG WH14NS40 4K drive. How to get LG WH14NS40 Blu-ray drive to play Blu-rays Therefore, it is necessary to downgrade your LG WH14NS40 firmware, especially if your LG WH14NS40 won't play Blu-ray. At the time of writing, no such certificates are publicly available at the moment. Having AACS2 encryption means your disc drive needs to be presented with an AACS2 host certificate for the corresponding UHD Blu-Ray Disc. Typically, this kind of protection prevents you to rip, copy or even play some UHD Blu-ray titles. Unfortunately, some if not all of them implement AACS2 protection, which will heavily restrict your device, or ‘lock’ its full potential. UHD Blu-ray optical or external 4K Blu-ray drives, such as the LG WH14NS40 4K drives come with their own firmware. Part 2: How to downgrade firmware on LG WH14NS40 Revision indicates the firmware version of your UHD Blu-ray optical drive. Right click on your UHD Blu-ray Disc drive, then select Properties. Select Removable Storage, then double-click Libraries on the right. Type compmgmt.msc and hit Enter, and in the Computer Management window that appears, double click on Storage. Press the Windows + R keys on your keyboard in order to open the Run dialog.

Locate the UHD Blu-ray Disc recorder and take note of the model number. Go to the Hardware tab to view the installed drives on your machine. Open the My Computer/ This PC window.A list of CD/DVD drives will be listed, and right-click on your UHD Blu-ray Disc drive and select properties.

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