Computer won't Power On

The motherboard I am using is an ELITEGROUP N2U400-A. I am using a Athlon XP, Barton 2600+ processor. When I first built this computer I used a different case, I put it together in that case and it worked with (Seemingly) no problem. I later decided to use a different case and it will not power up. No fans will start, the power supply won't start, no noises, nothing. I've tried removing all excess components and the problem persisted. Please reply with anything you might feel would be helpful.

(I do not have a voltometer, so I can't test the power supply. The case was purchased new, so hopefully it is not faulty.)

LOL, you have to pull it back out and remove the mounting pin (aka standoff) that's not lined up with a mounting hole, the board's shorted. To verify what I'm saying, pull the board out and try firing it up with CPU/RAM/Video/Power only, while it's lying on a phone book. You can jump the power switch connector with a screwdriver (momentary contact, just like hitting a power button).

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Hehe, you have to use standoffs, else the entire board will contact the entire mounting plate and short out. Now, some cases have stamped in mounting points (built in, as opposed to screw in, standoffs). And if a built-in standoff is in the wrong position, your only mounting options are to flatten it, tape it, or flatten AND tape it, to prevent it from contacting circuits on the back of the board.

<font color=blue>Only a place as big as the internet could be home to a hero as big as Crashman!</font color=blue>
<font color=red>Only a place as big as the internet could be home to an ego as large as Crashman's!</font color=red>