I have an Elite e9420t 64 bit desktop with an HP 2159m Monitor. Product No. 00371-OEM-8992671-00008.
I've had no sound for a week. I've done all the troubleshooting suggested, downloaded updated drivers, tried a new speaker cable, gone back to a system before the sound went, all to no avail. On testing the volume on the monitor menu there is sound from them but clicking on the volume button does not make sound.
I suspect a problem getting from the computer to the monitor but I'm out of ideas.
Help please.