Questions
Q1
Do you have Windows 10 driver for G41D3C?

The audio codec on G41D3C is VT1708B from VIA.
However, VIA does not supply Win 10 audio driver for this audio codec.
Please use the default audio driver from Windows 10.

Please see VT1708B OS support list from VIA driver download page.
http://www.via-drivers.com/viatech-sound-drivers.html