Struggling getting 4K UHD Working

Please post here for issues related to UHD discs
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nassTman
Posts: 1
Joined: Mon Mar 31, 2025 2:05 am

Struggling getting 4K UHD Working

Post by nassTman »

Hello all. I am brand new to MakeMKV. Just trying to find my way around so please be patient if I am being stupid. Before I ask for help I just want to say what an amazing community and development team this is. A bunch of people are making all of this possible and I do just wanna say thank you. Now on to my personal issue. I am having trouble ripping any of my 4k UHD blu rays. I bought a Verbatim Ultra HD 4K CD DVD Blu-ray Writer. From what I was able to gather it is a BU40N. So I flashed the 1.03 firm ware onto it and the regular blu rays work. I was able to rip 2001 A Space Odyssey & Uncut Gems in their regular version but not the 4k UHD version. Every time I get this

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Error 'Scsi error - ILLEGAL REQUEST:COPY PROTECTION KEY EXCHANGE FAILURE - KEY NOT PRESENT' occurred while issuing 
From the research I have done I have seen that other forum posts say its a dead drive. The drive is brand new, got it in the mail today and the firmware was able to be flashed on 1.03 which is why I think I may be missing some part of the puzzle. Others on the forums have gotten theirs to work fine and I just want to get some advice to see if I missed a step and maybe I flashed the wrong file.

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Drive Information
OS device name: \Device\CdRom0
Current profile: BD-ROM
Manufacturer: HL-DT-ST
Product: BD-RE BU40N
Revision: 1.03
Serial number: ...
Firmware date: 2118-10-24 19:34
Bus encryption flags: 17
Highest AACS version: 76

LibreDrive Information
Status: Enabled
Drive platform: MT1959
Firmware type: Patched (microcode access re-enabled)
Firmware version: 1.03
DVD all regions: Yes
BD raw data read: Yes
BD raw metadata read: Yes
Unrestricted read speed: Yes

Disc Information
Label: UNCUT_GEMS
Timestamp: 2021-09-20 10:26:16
Protection: AACS2.0/C v76
Data capacity: 91.0 Gb
Disc type: BD-ROM UHD
Number of layers: 3
Bus encryption flags: 80
 
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