Ati high definition audio device not plugged in

Hello,
my computer does not produce sound

Make sure speakers are not muted.
Make sure Windows Audio Service is set to Automatic & Started.
Download & save to your desktop, Audio drivers for your computer model and Operating System from your Computer MFG Site. (Do not Install yet)
Uninstall Audio Drivers iin Device manager & Reboot.

When new hardware is detected, point to desktop for drivers.