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Power Cycling help

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post #1 of 6 (permalink) Old 08-23-2019, 02:24 PM - Thread Starter
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Power Cycling help

Hi ! I need help,I'm desperate now,any suggestion will help.
Build :
Asus Z97-A
16 gig Corsair ram
GTX 970
650Watt PSU
Here's what happened, About a month ago my computer started acting weird,as in it would power cycle a few times before booting up,or would restart sometimes...but then it just got stuck in power cycle every two seconds,not even post,so I thought it was my PSU,went and got a new one. It worked...for two days,before power cycling again,and then I'm like ***...I took the whole build apart and put it back together, still nothing,so then I figured the Mobo battery is 5 yrs old,maybe it went bad and it's not registering RAM on boot. And I changed it,and it worked...for two weeks fine like nothing happened. Came home today,turned it on,power cycles again...if it's the motherboard,why did the psu and the battery help it temporarily? Could be a short or a bad resistor?
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post #2 of 6 (permalink) Old 08-23-2019, 03:01 PM
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What brand and model is both the old and new PSU?

(30 items)
Intel Core I7 6850K
Gigabyte X99 Ultra Gaming
MSI RTX 2070 Super Gaming X Trio
Kingston HyperX DDR4 Savage 3000 MHz
Hard Drive
Samsung 840 Evo 500 GB
Hard Drive
Corsair Force MP510 1,92 TB
Hard Drive
Seagate Ironwolf Pro 14 TB
Hard Drive
Seagate Ironwolf 12 TB
Hard Drive
WD Ultrastar DC HC530 14 TB
Hard Drive
Seagate Ironwolf Pro 12 TB
Hard Drive
Seagate Ironwolf Pro 16 TB
Optical Drive
Power Supply
Seasonic Prime Ultra Titanium 750 watt
Noctua NH-D15S
Phanteks Enthoo Luxe Tempered Glass
Operating System
Windows 7 Ultimate 64 bit
Operating System
Windows 10 Home 64 bit
Asus PG279Q
Corsair Strafe RGB MK.2 with Cherry MX Silent
Roccat Kone EMP
HyperX Fury S XL
Sennheiser HD 598
Onkyo TX NR646
Dali Opticon Vokal
x2 Dali Opticon 2
x2 Dali Opticon 1
Dali E12 F Subwoofer
Sennheiser HD-599
CableMod 30 CM Magnetic Red LED strip
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post #3 of 6 (permalink) Old 08-23-2019, 03:15 PM - Thread Starter
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Was Corsair HX850 downgraded to an HX750...was quick and cheaper
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post #4 of 6 (permalink) Old 08-25-2019, 09:03 AM
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Is it possible that when you had the PSU disconnected you cleared the CMOS settings? Then did the same again when you had the battery out?

Have you tried restoring the UEFI/BIOS to optimised settings, and hard resetting the CMOS with the jumper?

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post #5 of 6 (permalink) Old 08-25-2019, 09:48 AM
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Last edited by Rocklin; 08-26-2019 at 10:41 PM.
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post #6 of 6 (permalink) Old 08-25-2019, 12:03 PM
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Happened to me, it was a faulty MoBo for a 3550K CPU... as you'd imagine, MoBo being of a very old socket... a replacement would have costed $400.

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