I have tried plugging the HDMI cable in after my Laptop is booted and I still do not get sound from the HDMI. It always comes from my Laptop speakers. I also tried removing the phone jack for the audio line on my Digital TV and that did not change the fact that I do not see the HDMI sound. I also tried Pulse Audio Control and the HDMI option does not appear on the Output Devices port.
The current status is that with the HDMI connection, the screen is not rewritten until a left mouse click. So dragging a window and moving a cursor gives multiple copies across the screen. I cannot capture this with Ksnapshot as clicking on the screen clears the problem.
Given that others have been successful with the HDMI sound, I am of the opinion that the problem lies possibly with the video driver nouveau. I did try installing Kernel 3.12.0 RC6 but this made no difference and also did not have the NVIDIA driver defined in Kinfocentre > Graphical Information. Because the Desktop crashed with this Kernel, I have removed it.
Just for the record, Kinfocentre with Linux 3.11.0-12-generic gives the following information on my video card.
The current status is that with the HDMI connection, the screen is not rewritten until a left mouse click. So dragging a window and moving a cursor gives multiple copies across the screen. I cannot capture this with Ksnapshot as clicking on the screen clears the problem.
Given that others have been successful with the HDMI sound, I am of the opinion that the problem lies possibly with the video driver nouveau. I did try installing Kernel 3.12.0 RC6 but this made no difference and also did not have the NVIDIA driver defined in Kinfocentre > Graphical Information. Because the Desktop crashed with this Kernel, I have removed it.
Just for the record, Kinfocentre with Linux 3.11.0-12-generic gives the following information on my video card.
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