This is where 90% of Realtek issues are resolved. The drivers provided by Windows Update are often generic and buggy.
Before blaming Realtek:
Windows Update often installs a generic driver that sort-of works. For full functionality (including jack sensing and multi-streaming audio), grab the driver directly from: realtek audio issues
Realtek Audio Issues: 7 Quick Fixes for No Sound, Static, or Jack Malfunctions This is where 90% of Realtek issues are resolved
Don’t smash your speakers just yet. Try these troubleshooting steps first. realtek audio issues