This will output a clean list of all optical drives and their firmware revisions.
Inside the folder, locate the executable flasher application (usually named something like ASUS_DRW-24D5MT_FW_XX.exe ). Right-click the .exe file and choose . asus drw 24d5mt firmware update
The flashing interface will open and automatically detect your ASUS DRW-24D5MT drive. Verify that the detected drive matches your model. This will output a clean list of all