Microphone being recognized as headphones in windows 10 using a usb-c

I plugged the 3.5mm jack into a USB-c adapter, and into the PC.

It is recognized as headphones, while my internal mic is recognized as the mic. How can I switch it so the plugged USB-c is recognized as the mic instead of headphones?

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Here is what I have tried:

1- Updated the Lenovo ThinkPad p52 from the manufacturer’s website with auto-scan to the latest all

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2- I have the latest windows update

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3- Disabled fast startup

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4- uninstalled and reinstalled everything under “sound,video and game controllers” and “audio…”

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5- unplugged the 3.5mm jack mic from usb-c adapter and plugged to a splitter, and straight into the 3.5mm of the PC. Nothing changes, PC speaker becomes the PC, and internal mic stays as the mic.

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6- Installed r2.81 which causes the following error when after I restart the PC. So I uninstall 2.81 and install r2.82 instead.

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7 – Installed r 2.82 – back to square one. Here is what the Realtek folder looks like

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8- This should have been the input device, but detected as output device

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Some other screenshots

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The only time it worked is when I plug the microphone jac into the HP Elite docking station jack, and then the USB-c of the docking station into the Lenovo usb-c. Then it recognizes it as a microphone.

How can I use the USB-C adapter or the lenovo built-in headset with the splitter to let the PC recognize its a microphone and not a headphone?