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Author Topic: Z390 PRO CARBON AC MOTHERBOARD CPU ISSUE.  (Read 137 times)

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usnsvrabelTopic starter

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Z390 PRO CARBON AC MOTHERBOARD CPU ISSUE.
« on: 22-February-20, 22:43:03 »

I acquired this motherboard last fall and all ran fine with my PC until one night I turned on my PC and every component repeatedly flashed. I unplugged my PC and waited a few mins before attempting to turn it on, once I did attempt to turn on my PC it wouldn't boot. I troubleshot the issue and found that if my CPU power was plugged in my computer wouldn't start, but unplugged it would. When it does start up without CPU power the CPU white light next to the RAM is solid white and same with the XMP white light. I figured it was just a CPU issue then so I reseated the CPU, checked for physical damage on either the CPU or it's socket on the motherboard, and verified the cabling was properly seated. I still had this issue. I went ahead and got a new CPU through my warranty 3 months after this outage. I reseated my new CPU and proceeded to reapply thermal paste and turn on the PC. Nothing still happens. I don't know if someone else has had a similar issue and knows the fix but I'd appreciate some insight before I go and buy a new motherboard entirely. In addition I have reseated the CMOS battery and used a jumper on the JBAT1 to reset the BIOS and that still didn't change anything. Any help would be great!
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Chike

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Re: Z390 PRO CARBON AC MOTHERBOARD CPU ISSUE.
« Reply #1 on: 23-February-20, 07:49:34 »

CPU is the last one that will die (if ever).
When you have a power like problem check the power (psu) first.
Try minimal build, cpu 1 memory stick and gpu if you must
>>Posting Guide<<
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Motherboard: ASUS Z97-K R2.0 BIOS ver. 0903 2/26/2016
CPU: i5-4670k
Cooler: CNPS10x Performa
Memory: F3-2400C11D-16GXM
GPU: EVGA GeForce GTX 950 FTW ACX 2.0
SSD: 1. Samsung PM981 512GB, 2.  SanDisk SSD PLUS 240GB
HDD: WDC WD3200AAKS-00L9A0
PSU: Antec 500W VP500PC
OS: Windows 10 Home 1903 64-bit / Windows 7 Home Premium 64-bit
Case: Compucase 6C60

dclem5378

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Re: Z390 PRO CARBON AC MOTHERBOARD CPU ISSUE.
« Reply #2 on: 22-May-20, 21:30:23 »

same issue here, did you find the problem?
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