CPU/Mobo Help identifying defect

Astrek

Astrek

Recruit
So today early morning nearly at 3am my Motherboard asus z370f kissed this earth goodbye (RIP) and not before killing 2 sticks of memory.
To be precise memory just wont get detected on both A channel(B channel was already dead for some time)
Q-Led passes the cpu led and gets stuck on memory led(orange light)
Condition of memory sticks -
16GB module is just flat out dead.
8GB module works but wont go above 2133Mhz either with manual OC or XMP.

I want to find out what part of the motherboard might be defective?

More info - I had done some testing previously with one of my HID usb prototypes and have half-killed 2 3.0 usb ports near the ethernet port. They can no longer give out ample current to drive anything except for usb 2.0 devices and 3.0 pendrives.
Channel B memory slots didnt work for as long as i knew dont know if it happened coz of the usb short or had happened before it.
CPU - It is a i5 8600k OCed to 4.9Ghz on all cores at nearly 1.37V (am using offset and adaptive voltage control, or was using) It has never crossed 85°C and has been running stable for more than 3 years.

Any suggestions and theories regarding the board's death?
 
How old is/was your rig?
List all specs with brand/model etc.
What psu?
Was here any frequent electricity fluctuation issues etc?
UPS?
Any warning signs given by your rig or this happened out of nowhere?
 
nRiTeCh said:
How old is/was your rig?
List all specs with brand/model etc.
What psu?
Was here any frequent electricity fluctuation issues etc?
UPS?
Any warning signs given by your rig or this happened out of nowhere?
Click to expand...
rig was assembled in q1 of 2018
psu is rm650 corsair
i have an ups which is again attached to home inverter so no fluctuations
as for signs - i think the board just lasted this long because thr memory was not being stressed 24x7.
recently i hosted a vm like a month ago which kept my memory usage at 97% at all times with usage before it was around 60% at maz under stress.
edit - as for failure that was today morning aftr 2 bsods -
1st bsod was some thing related to kernel
2nd was some thing related to page file corruption. ( which pushed me to check if the ram is being a problem and the next restart well ram errors on the board)

specs
intel i5 8600k
asus rog z370f
corsair rm650
16 3000mhz corsair vengance along with another same freq 8gb module
msi gtx1060
2x 14tb hdd (current like 1month)
before 5x multiple hdds totaling upto 10tb.
 
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