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Realtek hdmi audio driver for nvidia alienware

December 14, 2012 4:16:35 AM

I have an Alienware M17x R1 laptop with Nvidia GTX 260M Hybrid video adapter. It has an HDMI output but I cannot get any sound out to my external Monitor. Is there any drivers that will fix this problem, or is there no audio out on the HDMI slot. I have no realtek hi definition option on my sound output options in the control panel and any audio driver update I try to install says that my system is not compatible or the hardware does not exist. Thanks in advance for any help.