Turn on for.5sec, immediately off

nicspits · Oct 31, 2003

Hello,

I just got an NFS7 from the forums here, and am hooking it up with my new xp2100TBredB. I have encountered a problem though. I get the red light to show the motherboard is getting power, and about a half a second after pressing the power button(whereby the green led does come on), it immediately turns off like its running out of power or something. I can't press the power button to get it back up, I have to turn the PSU off and then on again to be able to get the .5 second of boot. I am running an Antec 380w True power, which i'm pretty sure is enough.

Please help, Thanks!

dryars · Nov 1, 2003

Have you checked to see if the Fan on the heatsink is plugged in to the motherboard?

rxtrom · Nov 1, 2003

Hey I had the same problem, all i did was check all the power cables going to the mobo (disconnect and reconnect) and messed with the pin connector for the power button on the mobo, and i decided to hold the button in for a bit longer when i turn it on.
I am not sure exactly which part helped for me........good luck

nicspits · Nov 1, 2003

None of those solutions have worked thus far, after about 15 minutes of fondling the motherboard power connectors, anyone else have any ideas. man this sucks

wannaoc · Nov 1, 2003

Make sure you have a fan on the cpu fan motherboard plug and also the other fan plugs just in case. Mine did the same thing because it wasn't sensing a fan so it shut down. I just plugged a fan in and let it hang untill I could get into the BIOS and disable it.

nicspits · Nov 1, 2003

same results with chipset plugged into J10 fan, even though i'm using a zalman passive, a 90mm stealth on the chassis, my antec's fan monitoring ont he pwrfan, and a ystech 60mm on the cpufan.

nicspits · Nov 1, 2003

well switching out my new but i guess possibly defective tbredb in favor of my old xp1600, has got the green light to stay on longer, now it's just a matter of finding out why it isn't posting. this is driving me nutts, i'm almost ready to put my kx7 back in and put it off to another weekend....

james.miller · Nov 1, 2003

take the board out and re-seat it. It sounds to me like the board is shorting on the case.

BTW, you dont need any fans plugged into the board for it to work.

dryars · Nov 1, 2003

Have you check to see if you are supply the proper voltage to the PSU? Like 115v as opposed to 250v.

nicspits · Nov 1, 2003

well dudes, i had to give up, too much work to do to spend another full day tomorrow putting my working system(kx7) back together so I had to do it this time. Next time I try, probably next weekend, I'll put some fiber pads on the motherboard standoffs and see if that works since i think that grounding out idea may have some promise. BTW, this is the board that Mr. Chambers was selling so I know it should be good, and the tbred2100 is from newegg so yeah, bonus there. I hope i don't have to call them and beg for an RMA cuz my warranty period is up cuz i had to get the NF7, my KX7 does not like tbreds. So anyhoo thanks for all the help, I hope I won't need it next weekend

P.S. Yes the psu is on 115v, as it has been probably since the day it was manufactured.

Carmine_Paterno · Nov 1, 2003

Everytime i have had an issue exact to what your talking about, it has been the psu. Do you have a different psu to try?

nicspits · Nov 1, 2003

i tried my generic 400w atx, same results...

skinart · Nov 1, 2003

So you have tryed, another cpu, another power supply, got a diff stick of ram?

Narrow it down to one thing if you can.

Good luck champ!

Chad

nicspits · Dec 15, 2003

I got it together.

Okee doke, well as to why it would do that with my functioning 1600 in, no one will ever know, but i dont care anymore cuz I got my RMAd 2100 from newegg, and it is currently running beautifully in the rig. PS, if using a pci raid controller, do label which cables go into which plugs, that can save a headache.

Turn on for.5sec, immediately off

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