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    Lost Sound after turning of TV (HD4600 HDMI + LG TV)




      I have an Problem with my HTPC. The System is an fresh installed (no Upgrade from 8.0)  Windows 8.1 (64 bit) System.


      Hardware:      Asus H87M-Pro Board with latest Bios 0906

                          Intel i5 4570s with hd4600 Graphic

                          LG 60LA7408-ZA TV


      The TV is direct connected with an HDMI cable (no HDMI switch or amplifier).


      Software:       Windows 8.1 64 bit German with Media Center (all drivers up to date)

                          Intel Graphic driver Version 3316 (installed from zip in Device Manager)


      The Problem: If I start the PC (TV is on), all works fine. If I change the Input on the TV or Power off the TV, the Sound is lost. After reconnect, the Audio Settings show the HDMI Sound as not connected. Reconnecting is not possible. Disconnecting  HDMI Cable and Reconnect Cable does not work. If i Reboot the PC, all works fine.


      I have checked this with 3 HDMI cable, the original Driver from ASUS, the Driver from Windows Update, the Driver from your downloadsite and with the driver found here on board.


      intel, please correct this, Thanks!!!!!


      I attached 2 Files created with dxdiag (with and without sound).


      Thanks for help.



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