I've just tried putting together my first system. A Shuttle Ak-32A with an Athlon 2000XP. I put it together today, taking precaution to protect against static and the whole 9 yards. After mounting all my drives and Power supply, I went ahead and mounted the MB, and connected everything up. I had to also put a heatsink & fan on the CPU. Everything seemed to go smoothly, and it started the first time and went directly into CMOS, I went ahead and changed the system time and looked at whether or not it detected my drives which it did. It saw both my CD-RW and my new Maxtor 400G7200. I did go ahead and check several settings and then exitted because I wanted to get start formatting and installing an operating system. For some reason when I went to reboot, it will no longer POST! The floppy light stays on solid, and there seems to be no power at all to the CD-RW. No HD light. I get the CPU fan starting and the power supply fans come on, but the soft reboot button does not work, and to reset I must pull the plug. I tried resetting the coms via jumper, but no dice. Same symtoms as I described. Everything seems to be hoohed up right, and the add on fans fire up and so does the light inside the case. So I'm quite sure there is power running through the MB. I don't understand why it went into cmos before, but now it just hangs and won't post. I am running my 64mb radeon Video card, if that helps. I can't help but to think that it might be a bad MB. I got it from tiger direct and I don't have long before I can return it for exchange! Help. How can I tell if it's the MB, or the CPU. SOmething is not right here.