Some manufacturer's use variations of the Realtek audio driver, so they might not function with the standard Realtek audio driver. The hardware id for those audio devices is then often an extension/variation on the standard Realtek audio devices. As a result of hardware compatibility definitions, the standard driver would still install though.
Best thing is to check if the manufacturer of your PC/laptop has their own audio driver for your system and try and install that. Uninstall the current driver first though.
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