Internet seems to be littered with sound issue from these old IDT devices. Set compatibility mode for exe to Win 7 and ran again, still failed. This is file listed in another thread here about crackling sound. Went to Dell and found old Win 7 driver for sound. Lots of reading on internet, think they should be IDT High Definition Audio. The system has Microsoft drivers for sound - High Definition Audio. Yes speakers work, tested on alternate system. When you look at the various sound panels nothing indicates the external speakers have been plugged in. The laptop speakers produce sound but when you plug in external speakers using the headphone jack, power supplied through USB port, there is no sound. Working on a really old Dell E6400 laptop.
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