Realtek driver for ati-hdmi and windows 7 64bit. a complete list of available other device drivers for realtek ati-hdmi.on this page, you will find all available drivers listed by release date for the windows 7 64bit operating system.. No hdmi audio on hp dv4t running 64 bit windows 7 my laptop used to be able to output hdmi audio when i had windows vista. after i updated to 64 bit windows 7, hdmi no longer showed up in the sound-playback device list.. Not sure if this is the right driver or software for your component? run intel
