I've completed my external build, plugged in the test speaker to the proper socket on the motherboard, but when I start the computer, I don't get a startup beep and I'm not sure what I'm doing wrong. My motherboard is an Asus M5A97 LE R2.0 and it has onboard sound, so I don't have a sound card, if that makes a difference. Also, the monitor I was going to use isn't compatible with the graphics card so I don't have a monitor attached to the motherboard, but I would think that shouldn't change the test beep. The motherboard runs fine, and all of my fans turn on when I power up.