Thank you for contacting Intel Communities.
I would like to provide you with some steps that you can perform to troubleshoot this issue:
1. Make sure you are using the latest BIOS version in your system.
2. If you are already using the latest BIOS version, perform a BIOS recovery to make sure all updates are installed.
3. Uninstall your Realtek driver, restart your system and let Windows install the drivers, connect a device to the jack after rebooting.
4. Do the same as step 3 but after reboot, install the drivers from the links below.
Latest BIOS: Download BIOS Update [WYLPT10H.86A]
I used the Bios Update from Windows but that didn't change anything.
I can't find any Realtek drivers installed.
Do I need to make a Bios recovery?
I found the problem. Its not Intel or any drivers causing the trouble. It's Windows:
I can't control the Windows Media Player from Remote Desktop. Sound will be transfered to the remote computer.
Might it be possible, that you have the wrong Plug? It should be a four pin plug leading into one stereo hose for connecting your speakers and one mono hose where you can connect your microphone.
A common Plug used with speakers wont fit directelely.
As I wrote : The problem is solved. It's a Windows issue.