Most EH61 boards use the Realtek High Definition Audio driver. If your audio manager doesn't appear after installation, you may need to manually update it via Device Manager using the "Let me pick from a list" method.
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Important Note: Intel has discontinued support for these boards and removed the legacy drivers from their main download page. If the standard Intel links do not work, you will need to use the or search archived repositories. Most EH61 boards use the Realtek High Definition
The thermal paste between your processor and the heatsink dries out after 2–3 years. Since the EH61 uses older CPUs, the paste is likely dry. Clean it with isopropyl alcohol and apply a fresh pea-sized drop of quality thermal paste. If the standard Intel links do not work,