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Random Power Cycling


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#1 TastyFishFingers

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Posted 03 October 2017 - 10:14 PM

Problem: System, seemingly randomly, instantly powers off. It will then power on automatically after about 3-6 seconds.

 

Operating System
Edition: Windows 10 Home
Version: 1703
OS Build: 15063.608

Hardware
CPU: Intel Core i7 6700K Quad Core LGA 1151 4.0 GHz Unlocked CPU Processor
Mother Board: Gigabyte GA-Z170-HD3 LGA1151 ATX Intel Motherboard
RAM: Corsair Vengeance LPX 16GB (2x 8GB) DDR4 3200MHz Memory CMK16GX4M2B3200C16
PSU: Silverstone Strider S-Series 850W 80 Plus Gold Modular Power Supply
GPU: Gigabyte GeForce GTX 1070 G1 Gaming 8GB Video Card
CPU Cooler: Noctua NH-U14S Multi Socket CPU Cooler

Other configuration details
Operating system running on two "SanDisk Ultra II 240GB SATA III SSD SDSSDHII-240G-Q25" in a Raid0 configuration.
Previously was running an overclock (4.5-4.6 GHz), reverted to default profile as a trouble shooting step. This problem did not seem to coincide with the overclocking.

Troubleshooting steps followed so far:
Hand near PSU exhaust, doesn't seem hot.
An uneducated viewing of the event log. Ultimately it just looked like the system shut down unexpectedly.

 

 

How should I proceed with diagnosing and resolving this issue?


Edited by TastyFishFingers, 03 October 2017 - 10:15 PM.


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#2 mjd420nova

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Posted 04 October 2017 - 01:11 PM

The base cause for the fault would point to the power supply reaching thermal limit, shutting off, cooling off and restarting.



#3 MDD1963

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Posted 05 October 2017 - 02:30 AM

Trying another known good PSU of sufficient wattage would be a rather common first step (for a change, we don't have a broken water pump to worry about!), but, you can try removing power, carefully checking/reseating all USB headers, SATA power/data connections, reseating RAM sticks etc... ; you can also fall back to a single RAM stick, testing each alternately if needed, to see if stability improves....

 

Won't hurt to reseat or preventatively replace BIOS battery, which can cause weird issues rarely...


Asus Z270A Prime/7700K/32 GB DDR4-3200/GTX1060


#4 dc3

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Posted 07 October 2017 - 01:02 PM

If you can keep the computer on long enough run a Speccy Snapshot using the instructions below.  To save time you could download this program to a flash drive and install it on the problematic computer to be run from there.

 

Please download and install Speccy to provide us with information about your computer.  Clicking on this link will automatically initiate the download.

When Speccy opens you will see a screen similar to the one below.

 speccy1.png

Click on File which is outlined in red in the screen above, and then click on Publish Snapshot.

 speccy2.png

The following screen will appear, click on Yes.

 speccy3.png

The following screen will appear, click on Copy to Clipboard.

In your next post right click inside the Reply to Topic box, then click on Paste.  This will load a link to the Speccy log.
 


Family and loved ones will always be a priority in my daily life.  You never know when one will leave you.

 

 

 

 





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