Okay, I fix the code 13 (pre-memory CPU initialization is started). It turns out the mini wires to the system panel connector were not straight enough for the motherboard to properly read. After that quick fix, my motherboard display code 00 (which represent "not used") and it started to beep every 3 seconds nonstop to where my computer screen blinks along with the noise. After disconnecting and reconnecting ALL the wires to figure out how to stop the noise. I started to unscrew the motherboard COMPLETELY (read an article that screwing the motherboard to the case (even slightly) can damage pins underneath) and everything started to turn on. The fans started spinning and the motherboard glowed red (it was sooo pretty~). Now, the code is displaying 99 (Super IO Initialization). I connected my disk drive to the one of the connector of SATA6 first with the power supply and the code 99 continues to show then I tried the bottom connector of the SATA6 and it still continues to show code 99 (soon after I started to try out ALL of them and still continue to get code 99). After researching on what to do and asking my husband for help. After 2-3 hours switching, reconnecting, and connecting the cords to get rid of code 99. Eventually, my husband removed the graphics card, the second sniper, and correctly place the connection to the disk drive to the correct connector before connecting an hdmi cable to the case and our television to see what will display on the screen and next thing we know the BIOS setup appeared! Everything is now functioning 95% thanks to you guys and my husband.
Now for the last bit. Once we installed the graphics card, remaining parts, installed windows, drivers, and ran windows update the resolution had to be adjusted the resolution could be in the parameters of our old monitor. My husband adjusted the resolution using the nvidia control panel, and then by using windows 8.1 control panel. Now when the computer turns on the tv display works for the initial load, then the screen turns black and the cables need to be switched to see the login screen. Once logged both screens are now black on the monitor and on the tv. Any help with this new issue would be appreciated.