NEED HELP - Reboot Loop On Startup - But Eventually Boots

Mbru77

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Dec 7, 2015
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So I just recently built a new rig:

-Asus GTX 970 Strix
-i5 6600k
-GIGABYTE GA-Z170X-UD5
-G.SKILL Ripjaws 4 Series 8GB (2 x 4GB) 288-Pin DDR4
-EVGA 110-B2-0850-V1 80 PLUS Bronze 850 W
-SAMSUNG 850 EVO 2.5" 250GB
-Windows 7 64-bit

Everything works fine except there is one minor annoyance, Occasionally when I'm powering the computer on, the system goes into a reboot loop - the LEDs turn on, the fans spin, everything seems to be working, but then it turns off, then it turns back on, etc. It does this a random number of times until it finally boots, the display shows up, and everything works fine after. It seems like the longer the computer is turned off, the more reboot loops the computer goes through. Like if I shut down and immediately power back on, it doesn't go through any loops, if it stays off for a couple hours it seems to go through more loops before finally working. I haven't done enough testing to completely prove that it depends on the amount of time it stays off but that's what it seems like at the moment. Also, When the reboot loop is happening, the fans seem to be at full blast. When they slow down, that's when I know it will boot up properly.

I've been googling around and it seems like this could be an issue with Gigabyte motherboards, a faulty power supply, or faulty RAM. I've tried a couple solutions which haven't fixed the problem, I installed the newest bios (F5f - Beta version. Is it a problem if it's beta?). And I tried setting the RAM xmp profile to profile 1 which put it at 2400 MHz from 2133. Neither of these worked.

Does anyone have a solution or possible troubleshooting methods I should try to determine the solution? Any help is greatly appreciated, thanks.
 
Solution
remove the gpu and 1 ram module do the start up test with onboard video then had the other ram and redo the test after put back in the gpu and do the test .

NOT_PROVIDED_330

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Dec 9, 2015
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From my understanding clearing CMOS is like a water cleanse diet that solves all your issues..

or at least mine. Saved my butt a few times when my overclocking attempts threw my PC into a reboot loop.

It's worth a shot.

Otherwise I'd defintely either A) contact GIGABYTE support or B) Swap out parts and try to dial on the issue