Motherboard HDMI does not work if Intel graphics drivers are installed - Microsoft Community
MSI B550M PRO Motherboard (AMD Ryzen 3000 3rd Gen AM4, DDR4, M.2, USB 3.2 Gen 1, DP, HDMI, Micro ATX)
Motherboard HDMI does not work if Intel graphics drivers are installed - Microsoft Community
How To Enable Motherboard HDMI Port for Multiple Monitors - Use Graphics Card & Integrated Graphics - YouTube
Nvidia GTX 1060 3gb (MSI) hdmi port stopped working, it looks like it's not fully in could that be why it's stopped working? *I'm cleaning the dust at the moment too* :
Motherboard HDMI port not working | MSI Global English Forum