: Sometimes Microsoft provides a generic "High Definition Audio Class Driver" that can conflict with AMD's version.
If you have the driver installed but still have no sound, your computer might report the AMD High Definition Audio Device as "Not Plugged In" .
: For very old systems (XP/Vista), you might need the ATI Catalyst 8.5 Control Center or similar legacy packages.
: If you aren't sure of your exact model, use the "Auto-Detect and Install" tool provided by AMD. It will scan your hardware and offer the latest compatible drivers for your Windows version.