I have performed the following troubleshooting steps:
- Cleaning disks several times
 
- Cleaned the drives heads
 
- Ensuring computers power settings are correct
 
- Reinstalled MakeMKV on both computers
 
- Tried both drives on both computers
 
- Set the retry setting to 25
 
Drive Info (two of the same drives)
Code: Select all
Drive Information
OS device name: /dev/rdisk2
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: 66
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