my computer wont cut on

i have a [k7som+] motherboard&738mb-ram
1.20 duron processor. i forgot how to place the [hdd-led power-sw reset-sw power-led] on the motherboard? i tried for about 6 hours all i get is the cd-rom&power light blinking after one beep do anybody have a video of how to hook the above wires correctly to the above motherboard? its been working fine since april 2003 i only had to replace the power supply. i dont know what could be wrong