My girl friend and I are/have built a new custom watercooled machine, and we keep encountering the same issue: the system powers on for 2 seconds, powers down and comes back up. It doesn't post at any point
Parts list
Corsair Vengeance case
AXi860 (which may not be enough power, but read on)
ASRock Extreme6AC (but we've also tried a Gigabyte UD5)
Intel 5930K
16gb Corsair Vengeance DDR4
2x EVGA Hydro Copper 780 classified.
ASUS dx/dgx (The PCI-E one; I can't remember and can't be bothered to check) audio card
AlphaCool Pump/Reservoir unit
Swiftech Apogee XL CPU waterblock.
7 fans (two intake, one exhaust, plus 4 for the radiators)
2 SSD, 2 caviar green 3TB
We have tested (sadly, not every component has been tested in every config):
PSU (and swapped for an RM750 in some test series; it is what we used in our leak testing --which it passed just fine -- it isn't the pump)
RAM stick-by-stick
Pulling power from one card and from both cards
Inspecting at length for shorts.
And any number of combinations of minimalist hardware.
At this point we are at a nearly complete loss. We're considering trying all new ram or a new CPU, which is insane. I just can't imagine what could be causing this problem and I'm running out of options. Could it be the power switch itself? and if so is there any easy way to test that? We are going to add more power -- 1200 watt -- just to be on the safe side, but while that might explain a problem with the full system build, it doesn't account for the near drive less, near fanless config we tried with one of our test series that also showed this behavior.
Anything that we missed, ideally something painfully obvious? We've put a huge amount of work into this (she has especially) and this is enough to drive us to drink. More. Drive us to more drink, I mean.
Parts list
Corsair Vengeance case
AXi860 (which may not be enough power, but read on)
ASRock Extreme6AC (but we've also tried a Gigabyte UD5)
Intel 5930K
16gb Corsair Vengeance DDR4
2x EVGA Hydro Copper 780 classified.
ASUS dx/dgx (The PCI-E one; I can't remember and can't be bothered to check) audio card
AlphaCool Pump/Reservoir unit
Swiftech Apogee XL CPU waterblock.
7 fans (two intake, one exhaust, plus 4 for the radiators)
2 SSD, 2 caviar green 3TB
We have tested (sadly, not every component has been tested in every config):
PSU (and swapped for an RM750 in some test series; it is what we used in our leak testing --which it passed just fine -- it isn't the pump)
RAM stick-by-stick
Pulling power from one card and from both cards
Inspecting at length for shorts.
And any number of combinations of minimalist hardware.
At this point we are at a nearly complete loss. We're considering trying all new ram or a new CPU, which is insane. I just can't imagine what could be causing this problem and I'm running out of options. Could it be the power switch itself? and if so is there any easy way to test that? We are going to add more power -- 1200 watt -- just to be on the safe side, but while that might explain a problem with the full system build, it doesn't account for the near drive less, near fanless config we tried with one of our test series that also showed this behavior.
Anything that we missed, ideally something painfully obvious? We've put a huge amount of work into this (she has especially) and this is enough to drive us to drink. More. Drive us to more drink, I mean.
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