I read the sticky on troubleshooting boot problems, but it didn't really address my particular issue because my PC boots up fine- I just have to turn it on twice. I turn it on and it starts to boot, but there is no beep from the mobo speaker, and neither the monitor nor the keyboard come on. So i turn it off and restart it, and it comes on just fine. It has done this since i built it about 4 months ago. Thanks for any input.