My aux port is either not working or I'm having settings issues?

My PC has been working smoothly for months until I take out my aux cord this evening to use another speaker with it, and I plug it back into my pc after and now neither my speakers or headset is receiving sound.

My headset is had a USB plug. I connect the USB headset and the computer detects the device, but I cant hear anything from it?

I played around with the settings and there is no "set back to default. I updated my driver's but they were already to the latest update


I have been having troubles with my aux port over the last weeks, like it has the be in a certain spot , and **** out whenever my cat stops on it.

Does anyone have any advice? I'm new to computer building but I'm willing to replace any parts. From my limited knowledge I suspect it is the actual hardware of the port that needs replacement, but I think I may have ****ed my audio playback settings too.
Thanks for your time

I notice in the specs that you're using an ASUS M5A78L-M USB3 board.
my friend has an ASUS board, almost same model but it's M5A78L-M LE/USB3 (yours is without the LE).
you could replace the motherboard with another budget/cheap ASUS board as it's most likely a hardware problem.

also have to be careful where you plug the usb headset - only connect the usb headset onto the black usb 2.0 ports, not the blue usb 3.0 ports which are used for connecting data storage devices only like usb flash drives.

edit 4/24: another difference is in the onboard audio chipsets - M5A78L-M/USB3 uses VIA VT1708S HD audio chipset while M5A78L-M LE/USB3 uses Realtek ALC887 HD audio chipset.