dimanche 30 novembre 2014

What made my AX860 smoke?

Hello, just registered today so this is my first post here.





Built myself a new Haswell-E rig the other day (specs are in my profile)

but for some reason the AX860 started to smoke after only 1 minute of being powered on in the new system after installing my GeForce 780ti.



It did run fine for about 30 minutes before this happened with only a small GeForce 9500GS in the case, just to set things up.

Updated motherboard bios, changed boot order for the SSD's and optical drive, setting the XMP profile to 1 for the ram and cpu was left at stock settings.



Then i turned the PC off, unplugged the power cable and installed the GTX 780ti.

Then i connected the 8-pin and 6-pin PCI-E cables to the card, plugged the power back into the PC, and turned it on,

got 1 minute into the Windows 7 install, and then i smelt smoke coming from the PC.

PC was running fine and did not hang, or reboot or act weird in any way until i unplugged the power,

except for the smoke.



Case side door was open, so it didn't take long for me to notice the smell,

and i immediately pulled the power cable out of the PSU, and started sniffing around in the case.



Smell was definitely coming from the PSU wich is at the bottom of the case,

and the smell was stronger at the back of the PSU.



Everything was correctly connected and no shorts anywhere in the case so don't see how this could happen,

especially since it was running fine for 30 minutes just before.



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The PSU was also tested for about a week before all this in my older computer (before the rest of my new parts arrived) with the following specs:



Evga 780i FTW motherboard

4x2 gb of DDR2 ram

Intel Q6600 quadcore CPU

Corsair H100 watercooler

2 GeForce GTX 480's in SLi

5 regular Seagate HDDs

2 optical drives



That old computer is way more power hungry than my new Haswell-E computer so it's really weird that my new rig would cause the PSU to smoke.





Going to RMA the PSU through the store where i bought it, just wanted to know if anyone here has any idea how this could happen? as the PSU is supposed to be 100% Haswell-E ready.




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