Red CPU LED light Blinks once on startup and again 5 seconds later

I received all of my new PC products today, assembled my PC, and now I can't get it to start up. All of the fans turn on and the CPU LED blinks red once, and about 5 seconds later it blinks again and the computer turns off. I have checked all of the connections and everything is fine there. If anyone could help it would be greatly appreciated. Thanks in advance!
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More about light blinks startup seconds later
  1. does it restart in an endless cycle? can you try another psu for the system to see if thats not a problem? did you plug in the extra 8/4pin connectors (whichever you have) that are usually on top left?
  2. The PSU is brand new right out of the bot, so I haven't yet tried another one and the 8 pin connection is connected.
  3. nicholasb916 said:
    The PSU is brand new right out of the bot, so I haven't yet tried another one and the 8 pin connection is connected.


    doesnt matter if its brand new out of the box... there is a term for that "DOA" (dead on arrival) or there could have been something that happened during installation process


    atm just going after simplest and the "usual" suspect
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