When I plug an HDMI monitor into my laptop (running Windows 7), the image always works as expected, but the sound usually does not work. Based on suggestions found while trawling support forums [links forthcoming] I have tried:
- testing the HDMI monitor and cable with another device (it works consistently)
- switching on the monitor before plugging in, switching on the monitor after plugging in
- setting the HDMI device to the default sound device
- setting the HDMI device to the default communication device
- both of the above
- ticking and unticking "Allow applications to take exclusive control of this device"
- logging out and in again
- changing HDMI settings in the BIOS (no such settings in Aptio Setup Utility on my machine)
Booting up with the cable plugged in works consistently. The problem occurs (intermittently, but most of the time) when plugging the monitor after booting up.
I am tired of turning it off and on again. How can I make plugging in an HDMI sound device work consistently?