Question HD Audio doesn't fit

[rodres268]

Hello, I'm using the Corsair 400c case and Asus Prime B450 Plus motherboard. I'm trying to plug the HD Audio to my motherboard but it doesn't fit, it just goes half way.
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[Dark Lord of Tech]

Use the Forum BBCode to post pics from imgur.

 

[Razzie Gaming]

You should first check the compatible audio connecter to the board, however , all connecter are fitable, what is the audio device u us
ing ?