If you have downloaded the drivers but the ".exe" installer fails (saying no hardware is found), you may need to force-install it manually:
Alternatively, use Intel’s Driver & Support Assistant (recommended for automatic detection): 👉 https://www.intel.com/content/www/us/en/support/detect.html intel high definition dsp driver windows 10 download link
for a particular laptop model, such as an HP Spectre or Lenovo ThinkPad? If you have downloaded the drivers but the "
Many users resolve the "Missing DSP" or "Code 28" issue by manually switching the controller type in Windows: Microsoft Learn and select Device Manager System devices intel high definition dsp driver windows 10 download link