Question Pc boots 1 short beep then shuts down

Feb 25, 2019
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As soon as I get to the splash screen on my system it just restarts and going into a continuous loop after a successful boot 1 beep

System specs below

Motherboard - Gigabyte z170x - Ultra Gaming
CPU - i7 6700k @4.8ghz
RAM - 16gb corsair vengeance @ 2400mhz
GPU - GeForce® GTX 1070 WINDFORCE OC 8G (rev. 2.0)
HDD - 120gb OCZ VERTEX 2 / 1TB Seagate Barracuda
PSU - Cooler Master MasterWatt 650w

I have tried
  • resetting CMOS
  • booting from usb
  • taking CMOS battery out and leaving for a while
  • unplugging everything
  • different ram
  • internal graphics
  • each HDD and SSD
  • Under clocking, lowering the voltage
  • With and without xmp profile