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This package provides the driver for the Realtek High-Definition (HD) Audio in supported notebook models that are running a supported operating system.
1. Download the file by clicking the Download or Obtain Software button and saving the file to a folder on your hard drive (make a note of the folder where the downloaded file is saved).
2. Double-click the downloaded file and follow the on-screen instructions.
- Provides enhanced performance of the system audio.
This sp77828.exe driver file fit for these kinds of hp product: