I just finished my first computer build. When I press the power button, the fans come on but the Cpu and Dram lights on the motherboard come on with 7 beeps. I have removed the cpu to check the pins and moved the ram stick into other sockets and the computer still doesn’t boot. I have also removed the gpu and cleared cmos but the result is still the same. This is my very first build so I am not sure what is going on. PLEASE HELP!!