[SOLVED] New built. System not starting up. Single Mobo flash.

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Oct 4, 2019
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I have the following config built recently :

  1. Intel core i5 9600k
  2. Mobo : Gigabyte b360 aorus gaming 3 WiFi (supports 9th Gen Intel processors)
  3. Ram DDR4 2400Mhz
  4. Antec a30 cooler
  5. 240gb wd SSD
  6. 1tb wd HDD
  7. 450 w Corsair power supply

My system fails to boot up.
The Mobo lights flash once when the power is turned on and nothing else happens.
No other LED s turn on.

Troubleshooting steps carried out till now :
  1. Checked for Mobo mount for unnecessary spacers -- looks good
  2. Checked psu by shorting green and black wires -- psu works fine
  3. Removed the Mobo and only powered it via 24 pin connector but still the same issue.

Can you please help me troubleshoot and fix the issue... ?
 
Solution