hello .i have hp dvd writer 400 c.i update the firmware FH04.and its show me hp dvd writer 400c FH04.i want to change it to some other firmawre.before i change it to philiphs and its workfine on-R dvds.and than i flash back it.can some one tell where i download the BenQ files free.and how i download it.i have hpiliph flash tools
