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Sudden flame and smoke on ASUS Pro WS X570-ACE setup that worked for 9 months. What could be the cause(s)? Photo included

dylee

New member
Joined
Feb 2, 2021
Messages
1
Setup worked for 9 months without major issues, except for occasional bootup hang ups (<2% of the time) which were always resolved with reboot. Today after turning power on case fan was off (very unusual), memory LED on, motherboard red light on - I don't think I have ever seen this combination of symptoms before. I turned the computer off and then back on and immediately heard a popping sound, saw shooting flame and smoke through the tempered glass. I immediately powered down and flame died out. Cauterized mark seemed to have originated from near or beneath the heat sink labeled "Build for Pros", in close proximity to but does not directly come from the DIMM banks). What could potentially be the problems and what components may have been fried? Still waiting for Asus technical to get back to me after getting in the queue by chat.

Components:
  • 128gb G Skill Trident Z Royal
  • CPU: AMD 3950X
  • Geforce 2060
  • Samsung SSD 1TB HD
  • Seagates HD 8 TB
  • CPU overclocked at 2% for the last 9 months. BIOS last updated ~3-4 months ago.
Thanks.

MB-4.JPG
 

crazyea

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Joined
May 15, 2012
Messages
1,229
Location
Surrey, BC
I had something like this happen to me before from a faulty corsair 1200w power supply.
 

Bond007

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Jun 24, 2009
Messages
6,246
Location
Nova Scotia
Could be power supply, or motherboard fault. Looking at those pictures it appears like the source is around or just under the corner of the heatsink. I wonder if something shorted?
 

Soultribunal

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Dec 8, 2008
Messages
8,885
Location
Mississauga
Could be a MOSFET that let go (I'm assuming that is what the HS is covering) looks close enough to be that.

Or part of the power delivery that feeds the RAM Slots. only way to know if PSU would be to get it on a good tester to make sure its still in range for both V, noise etc.

Its been a long time since I've seen a board actually toast like that.

-ST
 

Cannon Fodder

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Joined
May 5, 2010
Messages
664
Location
Mission, BC
Could be a cold-solder joint on the mobo, which COULD account for the "occasional bootup hang ups", which might be temporarily "cured", when it warmed up a bit, 'til it got to the point of arcing, and BAM.... toast..... that is, unless you had some errant wiring touching something on the mobo.
 

Mulder

Well-known member
Joined
Apr 21, 2008
Messages
115
I had something like this happen to me before from a faulty corsair 1200w power supply.
this is why i always run an APC , i had hard drives die on me like crazy in the country until i got one, i used to get micro brownouts.
 

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