HL-DT-ST DVD-RAM GH22NP21 writer has been tested with Burn4Free DVD Burning Software.
Update DVD-RAM GH22NP21 firmware for free
Update HL-DT-ST GH22NP21 Firmware
HITACHI-LG DATA STORAGE download drivers and firmwares links:
Download driver - firmware
(included HITACHI-LG DATA STORAGE drivers)
HL-DT-ST GH22NP21 CD DVD HD-DVD BLU-RAY Writer Firmware 1.10 was presented for free download to install, update, manage HITACHI-LG DATA STORAGE CD DVD HDDVD BLURAY. Please check your burner device model, operating system, firmware version according to HL-DT-ST DVD-RAM GH22NP21 CD DVD HD-DVD BLU-RAY Burner Firmware 1.10 WINDOWS VERSION USERS