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Fix Intel High Definition DSP Code 28 on Windows 11/10


Some users have complained that the Intel High Definition Audio is not working, and instead, they get Intel high definition DSP code 28. The error is displayed in the Intel High Definition DSP audio device’s properties and is marked by a yellow exclamation mark. If the error Intel high definition DSP code 28 appears on the screen, you are in the right place. In this tutorial, we will explain some valuable solutions so, that users can resolve the said error without any confusion in Windows 11.

Intel High Definition DSP Code 28

The error message that users see are.

The drivers for this device are not installed. (Code 28).
There are no compatible drivers for this device.
To find a driver for the device, click Update Driver.

What is code 28 for drivers not installed?

Error Code 28 signifies that our computer cannot connect to a piece of hardware as its driver is not installed on the system. This doesn’t mean that the driver was always absent on the computer; it’s just that Windows is unable to detect the driver right now, due to which it is showing the error code 28.

How to fix Intel High Definition DSP Code 28

The common cause of the Device Manager error code Intel High Definition DSP audio is incompatible or missing audio drivers in Windows 11/10 due to which audio is not working properly, therefore, to resolve this error, follow the solutions prescribed below.

  1. Roll Back The Driver
  2. Update the Driver
  3. Run Audio and Hardware Troubleshooter
  4. Reinstall Intel High Definition Audio DSP

Let’s get started.

1] Roll back the drivers

A lot of users reported that the error could occur when they updated their driver or after running Windows Optional updates as that automatically update your driver. This is actually true as the update adds some bug to your driver, which makes it incompatible with your hardware. So if this is applicable, rolling back the driver is one of the best solutions; therefore, we will do the same, and the steps are mentioned below.

  • Open the Device Manager and go to the System Devices option.
  • Right-click on Intel High Definition Audio DSP and navigate to the Driver tab.
  • Now, select the Roll back driver option.

After the completion, reboot your device and see if the issue persists.

If the Roll back driver button is greyed out, our driver is not updated, so, we should move to the next solution.

2] Update the Driver

The driver allows your computer to run properly and serves as a bridge between the computer’s operating system and hardware components. Windows Update automatically downloads and installs the latest version for audio drivers, network adapters, displays, printers, graphics cards, and so on. It is possible that the error is caused by an outdated version of the driver and can be solved by updating them. To update the drivers manually, follow the prescribed steps:

  • Open the Windows Start menu, and click Win+ X to open Settings.
  • Select the Device Manager from the search results and expand Sound, video, and game controllers.
  • Right-click on your audio device and click on the Update Driver from the drop-down menu.
  • Select the Search automatically for updated software and follow the instructions on the prompt and wait till the update is complete.

Although this is a common method to update your driver, there are other ways to accomplish this task. If you like to keep things organized, just download and install a free driver update software and download the driver from the manufacturer’s website.

Reboot your system and check if the problem is reserved. Hopefully, this will do the job.

3] Run Audio and Hardware Troubleshooter

If updating the drivers was off no help then there’s a high possibility that the error in question happened due to some error in the audio driver; in such scenarios, you can run Audio and Hardware troubleshooter to find out the cause and clear it out. To do the same, click Win + R to open the Run dialog box, and then type the following command and click the Enter button to run Audio Playback Troubleshooter:

msdt.exe /id AudioPlaybackDiagnostic

You can also use the Hardware Troubleshooter to be on the safer side; once the process is completed, reboot your system, go to the driver’s properties and see if the issue persists or not. If it continues, move on to the next solution.

4] Reinstall Intel High Definition Audio DSP

Last but not least, delete the Intel High Definition Audio DSP and reinstall it as sometimes the issue occurs due to no driver present from the hardware, and in such cases, only fresh installation of the hardware can help in overcoming the issue. Therefore, in this solution, we are going to do the same.

  • Click on the Start menu and type Device Manager.
  • Now expand the Sound, video and game controllers option, and right-click on the Intel High Definition Audio DSP.
  • At last, click on the Uninstall device option.
  • Now go back to the top of the Device Manager, and right-click to initiate the Scan for hardware changes to reinstall the driver.
  • The computer will prompt you to provide the path of the driver. Navigate to the OEM file you downloaded in step 2 above.

Restart your computer; hopefully, this will install the correct driver. If it is not installed, download Intel High Definition Audio DSP from its official website.

Read: Error 38, Windows cannot load the Device Driver for this hardware.

Intel High Definition DSP Code 28

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