Z270 Fatality won't boot

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   Good afternoon everyone, 
My Z270 Fatal1ty stopped booting after a few days of working OK. 
Nothing new installed or added, just won't boot anymore. Case fan starts, CPU fan starts and that's all it will do.
No beep, no video, HDMI or DP. 
Breadboarded the MB, with only power (both connectors inserted) and DP/HDMI, still nothing. 
Booting without RAM will produce the 3 beeps, when any of the RAM inserted in any of the slots,, won't boot. 
Examined and reseated the CPU (nothing bent or out of place), still nothing.  
PS tested with an older config and seems to be working fine (boot Ok) .
Any ideas before I send it back under warranty ? 

Config: 
Mb: Z270 Fatal1ty 
CPU 7700K 
RAM: Corsair Vengeance LPX 2x16Gb 
PS: Corsair 620W 

It booted just fine until yesterday (for about 1 week after installation), I had Windows on it and everything looked Ok. 

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m1ghtyBear Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 13 Aug 2017 Status: Offline Points: 4	Post Options Post Reply Quote m1ghtyBear Report Post Thanks(0) Quote Reply Topic: Z270 Fatality won't boot Posted: 13 Aug 2017 at 10:18pm
	Good afternoon everyone, My Z270 Fatal1ty stopped booting after a few days of working OK. Nothing new installed or added, just won't boot anymore. Case fan starts, CPU fan starts and that's all it will do. No beep, no video, HDMI or DP. Breadboarded the MB, with only power (both connectors inserted) and DP/HDMI, still nothing. Booting without RAM will produce the 3 beeps, when any of the RAM inserted in any of the slots,, won't boot. Examined and reseated the CPU (nothing bent or out of place), still nothing. PS tested with an older config and seems to be working fine (boot Ok) . Any ideas before I send it back under warranty ? Config: Mb: Z270 Fatal1ty CPU 7700K RAM: Corsair Vengeance LPX 2x16Gb PS: Corsair 620W It booted just fine until yesterday (for about 1 week after installation), I had Windows on it and everything looked Ok.

m1ghtyBear Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 13 Aug 2017 Status: Offline Points: 4	Post Options Post Reply Quote m1ghtyBear Report Post Thanks(0) Quote Reply Posted: 13 Aug 2017 at 10:21pm
	Forgot to mention it is an ITX board and I have no discrete GPU, using the onboard graphics