My first attempt at flashing and then ripping has hit a problem and I'm hoping for some help. I flashed my new drive and have ripped a regular blu ray but makemkv is unable to read my 4k discs (it tries to read then ejects). Do I need to flash to a different firmware? 
Drive Information
OS device name: /dev/rdisk3
Current profile: BD-ROM
Manufacturer: HL-DT-ST
Product: BD-RE BU40N
Revision: U100
Serial number: MZFKCT91811
Firmware date: 2119-10-16 10:36
Bus encryption flags: 1F
Highest AACS version: 63
LibreDrive Information
Status: Enabled
Drive platform: MT1959
Firmware type: Patched (microcode access re-enabled)
Firmware version: 0.U1003
DVD all regions: Yes
BD raw data read: Yes
BD raw metadata read: Yes
Unrestricted read speed: Yes
			
									
									
						BU40N not reading UHD disk after flashing
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				Billycar11
 - Posts: 5071
 - Joined: Sun Aug 24, 2014 5:49 am
 
Re: BU40N not reading UHD disk after flashing
Idk maybe follow my guides recommend firmware
			
									
									Buy a UHD drive from the guide and how to video maker: https://www.makemkv.com/forum/viewtopic ... 20&t=17831
UHD Drives Guide: https://www.makemkv.com/forum/viewtopic ... 16&t=19634
Auto flash kit $25 Email me for one Billycar5924@gmail.com
						UHD Drives Guide: https://www.makemkv.com/forum/viewtopic ... 16&t=19634
Auto flash kit $25 Email me for one Billycar5924@gmail.com
Re: BU40N not reading UHD disk after flashing
viewtopic.php?f=16&t=19634  <--- UHD Drives Flashing Guide
			
									
									
						Re: BU40N not reading UHD disk after flashing
fair point. I got confused about which Firmware to employ. working well now. Thanks for all of your work here