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New AX850 DOA? (EPS12V not working)


Mechan

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Dear Corsair,

 

I recently purchased (via newegg) a AX850 power supply with the intent of having it power an ASUS Rampage III Formula MB.

 

The problem is that I can't seem to get the EPS12V power to work.

 

I've tried both the cables (alternatively on the 8 and 12-pin connectors on the PSU). In both cases, I've tried connecting all 8pins on the MB, and only 4 on the "right" side. In all cases, MB leds come on upon turning PSU switch on, but the system fan spins on for a second or so upon powering on the MB, then all goes quiet without even a beep.

 

I wondered if it was the MB or the PSU, so I tried switching out the PSU. Connecting an HX620W resulted in the system working perfectly fine.

 

Am I doing something wrong, or is my AX850 DOA :-( ?

 

Best,

 

Filippo Scognamiglio

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PS

I tried using the AX850 to power my old Asus MB, no go. Same issue, fan will spin for a second but system will not turn on, not even a single beep (and yes, I've made sure 3 times to connect the EPS12V cable in addition to the ATX power cable).

 

Can I please get an RMA number?

 

Best,

 

Filippo Scognamiglio

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