Avoid third-party “driver download” sites (they often bundle malware). Use only these official sources:
If you are looking for a download link for the Intel High Definition DSP driver, it is likely because you see a yellow exclamation mark in your Device Manager under "Other devices," and your sound is not working.
Here is the most important thing to know: There is no single "direct download link" for this driver because it is not a standalone audio driver. It is a bus driver intended to enable the audio hardware on your specific motherboard or laptop. If this is missing, it means Windows 10 does not know how to talk to your audio chip.
Below is the guide to resolving this issue, including the correct download sources.
If you have downloaded the drivers but the ".exe" installer fails (saying no hardware is found), you may need to force-install it manually:
The DSP driver manages low-power audio paths. If your mic (internal or external) is dead after install:
Here are the only three official sources for the driver formerly known as "Intel High Definition DSP."
To save you time scrolling back up, here are the verified, safe URLs:
| Source | URL | Best For |
| :--- | :--- | :--- |
| Microsoft Update Catalog | https://www.catalog.update.microsoft.com/Search.aspx?q=Intel+High+Definition+DSP | Advanced users needing legacy 32-bit support |
| Intel Driver Assistant | https://www.intel.com/content/www/us/en/support/intel-driver-support-assistant.html | Everyone (Recommended) |
| OEM Support (Example: Dell) | https://www.dell.com/support (Search your Service Tag) | Pre-built system owners |
Avoid: driverboost.com, driveridentifier.com, driverscape.com or any website asking you to pay for a "Pro" installer.
If you have a Lenovo laptop, use Lenovo Vantage. If you have an HP, use HP Support Assistant. These OEM tools often provide a customized version of the Intel DSP driver that a generic Intel download may reject.