First-time gaming build..power cycling on first power test! :(

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M

mellex

Commendable
Jun 27, 2016
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Hi all -- building w/ my son. Got things going, all the way to powering up. Powered on fine, but 15 seconds later, powered down, then started power cycling on and off. (had an issue w/ the monitor so don't know if it hit BIOS,but was only ever on for 10 or 15 seconds).
Checked plugs, connections, etc etc.
Corsair Spec 01 case,
geforce GTX 960 ACX 2.0 gpu,
Intel H110 Micro ATX DDR4 Motherboard,
Intel i5 6500 cpu, 2 4gb ram sticks, and
PSU is XFX TS 550w Full Wired 80+ Bronze

Everything appears seated correctly. Tried another thread that said disconnect the reset connector cuz if it's shorted it'll power cycle, but didn't matter. Power cycled anyway.

Worried that our motherboard is a dud or something! Appreciate some kind and patient help for newbies. Super frustrated being first-time builders (and it was bday gift! ) :??:
 
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K

Krusher

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Dec 9, 2010
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If that motherboard supports integrated graphics (most of them do), try booting without the dedicated GPU using the internal graphics and only one memory stick. If it boots fine, add the second memory stick. If it does not boot, try the other memory stick. If it does boot with both, then add the graphics card. If it does not boot OK, it could be a dud power supply or motherboard.

I hate it when something new doesn't work. Good luck. :)

...Edit: Basically, try to get it going with the bare minimum parts. Hopefully it works and you can start adding items one at a time is what I'd do.
 
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M

mellex

Commendable
Jun 27, 2016
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Okay...coupla questions -- if it boots w/ both memory sticks, but no graphics card does that suggest its our gpu that's a dud? And if we get to that point, putting the graphics card back in puts us back to where we are now, so not sure why we should expect it to suddenly work? Basically not sure how we'd decided if it's the pgu, the psu or the motherboard? (I have such a headache right now!)
 
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K

Krusher

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Dec 9, 2010
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If it boots with both memory sticks but not the dedicated graphics card, either your graphics card is the dud or the power supply might be weak.

If that is your situation hopefully you have a 2nd PC that you can try the video card in separately and see what happens. If yes then you can at least narrow it down to the video card or the power supply.

If you don't have a 2nd computer to test the video card with, my hunch is that it'd be the power supply (not knowing if the power supply is new or old, power supplies tend to cause most problems) but at this point if it boots with the minimum you're going to need extra parts or another PC to eliminate what it is not...
 
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mellex

Commendable
Jun 27, 2016
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Everything is brand new. It should have plenty of juice to power everything. Just unboxed it all for the build in the last day. I don't have a way to test anything anywhere else. :/ But I suppose the psu would be the easiest thing to return and get a new one as opposed to the motherboard as far as trying a new piece.
 
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K

Krusher

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Dec 9, 2010
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Ah ok...

I'd take it one thing at a time then starting with the minimum amount of parts. If in fact you received a bad new part that's a bummer, but it happens.

Make sure everything is plugged in good (especially the extra video card power connectors) and then you may have to start parts swapping. Hope it works for you soon. :)
 
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M

mellex

Commendable
Jun 27, 2016
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Okay...so...took out everything but the hdd and the dvd drive. Checked the seating of the cpu fan -- it's in. Turned on power and it still cycles. Does that mean either crappy motherboard or crappy power supply? Does it matter if the psu is significantly stronger than what the components need (like, if the system only uses 350w, but the psu is 550)? I'm thinking, no, but I want to ask! And if it DOES mean either crappy board or crappy psu, which one is most likely? The idea of having to pull/return/replace components has me totally stressed out (especially since they are all brand new!) so I'd like to try and maximize the chances of picking the right one...and if it's the motherboard, that means removing the fan and the cpu...do I need to apply more thermal paste or is what's on there already enough?
 
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