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#11
That connector will not work with a PC. You will need an adapter that will convert that to two TRS plugs to work with a PC.
This is an example of an adapter Amazon.com: 2.5mm Mobile Headset To PC Converter: Electronics
I don't know if it will solve all the problems, but an adapter, such as I mentioned is needed. However, I suspect it will fix the headset part and probably the mic.
The Headset works off o the Tip (end of the jack connection), the Ring (middle) and the Shield(Ground) Connection.
A PC microphone works with a jack like is needed for the headset. The Tip is the audio connection, the Ring has +5VDC that is required by a standard PC microphone and the Shield which is the ground connection.
Just a thought here; have you tried removing the sound devices from the device manager; rebooting and let windows re-detect them and reinstall them? If not that might be worth a shot as sometimes windows can be finicky in terms of the way devices and external devices like headphones, etc.; are connected.
Matts, the problem is not the PC, the problem is the user has a PS4 type connector for the headset and mic and that is not compatible with the PC plugs. An adapter as I linked is needed. I've been through this before with users here and that is the fix.