Foxconn NF4UK8AA-8EKRS Motherboard "remove third light keyboard" Questions

...Remove power supply unit (PSU) from your ATX case 4. Place your motherboard and PSU on a wooden cardboard or a table, facing up 5. Install the Memory (ram, make sure u install it in the correct DIMM, ...

...light. i reconntected the 24 pin cable and tried a restart again. this time the box powered up and a voice message came which said "system failed cpu test" repeatedly. i shut down and tried again and ...