No video on new PC

I built a new PC (specs under) and I am having trouble. For some reason the video does not output at all from the onboard video or from the PCIe card I put in. I really think I did everything right but I have not built a new PC in a few years. I tried clearing the CMOS but I am out of ideas.



Centon 1024MB PC4200 DDR2 533MHz Memory

AMD Athlon 64 3500+ Processor ADH3500IAA4DE - 2.20GHz, 512KB Cache, 1000MHz (2000 MT/s) FSB, Lima, 45W, OEM, Socket AM2, Processor

Lite-On DH-20A4P-04 SuperAllwrite OEM DVD Burner - 20x DVD±R Burn, 16x DVD±R Read, 8x DVD+RW, 6x DVD-RW, 8x DVD±R DL, 12x DVD-RAM, 48x32x CD-R/RW, PATA, Black

PCChips A13G+ v3.0 Motherboard - NVIDIA GeForce 6100, Socket AM2, MicroATX, Audio, Video, PCI Express, 10/100 Ethernet LAN, USB 2.0, Serial ATA, CNR

Thermaltake TR2-R1 / AMD Socket AM2/939/754 / Aluminum / 92mm Fan / CPU Cooler

ThermalTake Smart Blue 120mm LED Case Fan Blue

Hitachi 500GB Serial ATA HD 7200/16MB/SATA-3G

Ultra LS500 Lifetime Series 500W Power Supply - ATX, SATA-Ready, PCI-Express

Vantec Spectrum PCI Fan Card with Blue UV LED
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First thing I'd do is remove the video card, double check the memory and make sure they're seated firmly in the slots, check the power connections to the mothrboard and make sure the extra 4pin connector is plugged in all the way. Be sure the clear CMOS jumper is not in the CLEAR position, check the front panel header and make sure the power switch and front LEDs are all hooked up correctly to the appropriate pins. You didn't mention if the PC even powers up at all even though there's no video. After you do all this and you get no video from the on-board video, unplug the hard drive, CD drive, floppy drive, media reader (if any) and the front USB headers. Then try again. If still no video try one RAM stick, then the other if you have two. If only one, try it in different slots. Check the voltage swtich on the back of the power supply and make sure it's set for your region of the globe; 110 to 120 for US and Canada; 210-220 for the rest of the world (I think). If you still get no video, it's difficult to pinpoint the problem further without knowing if the PC powers up (at a minimum the fans should spin). If you get no fan spin, then the PSU is likely bad, or the power switch is hooked up wrong or is faulty....