These motherboard connectors are usually located near the Front Panel Connectors on the bottom of the motherboard. It can be a 3-pin header or a 4-pin connector.

The front panel is a bizarre array of USB headers, audio connectors, and push-button pins that are so fiddly and complicated, and often the cables only seem to just reach the motherboard spots ...

Thus, there will be no more front-panel issues due to a lack of knowledge about hardware. Sometimes is difficult to connect the jacks to the motherboard's front audio panel because labels vary ...

Project Zero motherboard is a range of motherboards by MSI that has all the power, data, pin headers, and other front panel connectors relocated to the back of the motherboard to keep cables ...

Connections on an older Asus P5WDH Deluxe motherboard. Audio front panel: This ten-pin connector links to the front-panel headphone and microphone inputs.

I assume you've also checked the front panel connectors themselves, as well as the motherboard, for signs of physical damage (including overheating?)?

My Antec 3700 Case has a single front connector plug for USB that plugs directly in the motherboard. I have a A7N8X Deluxe 2.0. Dunno about audio because my case doesn't support it.

Which side of a PC case power or reset switch is positive or negative? (and can I damage my motherboard by connecting it incorrectly?) No, you won't damage a motherboard by connecting the power ...

The worst part about building your own PC? Hooking up the front panel! This quick guide to the connectors will make it less of a pain.