Realtek ALC897 is a High Definition Audio Codec commonly integrated into motherboards to manage sound input and output. To ensure your speakers and microphone function correctly, you must have the corresponding driver installed. How to Get the Correct Driver
Let’s be honest. Installing Realtek audio drivers is historically a mess. Microsoft wants to use Windows Update. Realtek wants you to use their legacy UAD (Universal Audio Driver) or HDA (High Definition Audio) drivers. Motherboard vendors want you to use their custom-skinned version. Realtek Alc897 Driver
Visit the site for your specific board (e.g., ASUS , MSI , Gigabyte ). Realtek ALC897 is a High Definition Audio Codec
The safest source is your motherboard brand. Realtek releases reference drivers, but motherboard vendors (MSI, ASUS, Gigabyte, ASRock) customize them for your specific board layout. Installing Realtek audio drivers is historically a mess