UJ220S_Firmware_1.01.zip , Panasonic_UJ220S_USB_Driver.zip , MATSHITA_BD_MLT_UJ220S_x64.zip

When connected via a USB-to-SATA bridge, Windows may recognize it as a "USB Device" or generic "BD-ROM Drive", but specific drivers or firmware can be required for full functionality—including burning Blu-rays, reading copy-protected discs, or enabling region changes.

: Some users have found success fixing recognition issues by placing the WNASPI32.DLL file into the C:\WINDOWS\SYSTEM32 folder and rebooting. Are you seeing a specific error code in Device Manager, or is the drive completely missing from your file explorer Matshita BD-MLT UJ220S Firmware Update - Sony Community