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HELP, new rig not booting

Last response: in Systems
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September 17, 2013 1:44:42 PM

Hello,

I just assembled my new computer, but it doesn't boot, when I press the start switch, all the fans start working for about 2 seconds, and then they stop (except for the cpu cooler fan, which just twitches at the start and the end of the 2 secs). They'll keep going on and off untill I switch the PSU off.
I've tried all the basics, like stripping it down to cpu + fan + 1ram stick, outside of the case, and the problem stays

The specs are as follow:

PSU: Corsair cx500 80+ bronze
MOBO: Asus p8h77-i
RAM: Patriot viper 2x4Gb 1600MHz
GPU: Sapphire Tech's Radeon 7870 OC GHz edition
CPU: intel i5 3570
HDD: seagate barracuda 500Gb 7200rpm


Note: At first I just thought that the PSU wasn't strong enough, but since the same problem occurs after stripping it all down, I don't think that's the problem

Note2: I also made sure to discharge any static electricity before opening the boxes, and there are no obvious signs of damage/dirt on the CPU connectors

More about : rig booting

September 17, 2013 2:05:40 PM

I have tried shorting the two pins, no luck, though I havent tried it with the strip board, going to..


using a 220V outlet btw, and thanks for the quick help


»»»» No luck shorting the stripped board, and there is no visible switch on the outside of the PSU
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September 17, 2013 2:25:14 PM

I'm sad, after all I've tried I'm pretty sure it's some broken component, and I'm probably the one who broke it

so sad..
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September 17, 2013 3:11:18 PM

Yes to everything, the screen shows nothing, it goes into standy for not having any input, pics incoming
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September 17, 2013 3:23:56 PM


text says: No signal
Entering power saving mode shortly






The green LED lights up when I hook the PSU up, and something else I hadn't said before, the HDD beeps with every boot try, just before everyting going off again
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September 17, 2013 3:30:34 PM

Thanks for helping, once again
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September 17, 2013 3:33:31 PM

I have done it with the jumper, it's a simple 2 pin cap that you have to switch pins and put back on the original position

Screen was connected to the GPU, but it acts the same when connected to the mobo
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September 17, 2013 3:49:23 PM

I only used the adapter on the 7870, since it has no d sub ports, I'll try using the adapter on the mobo, though it doesn't look like the screen is the problem, only a consequence


Also have put the mobo on its standoffs, still outside the case, just in case the cardboard was somehow conductive

»»»»Oops, adapter doesn't fit, has some extra pins that the mobo port doesn't
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September 17, 2013 3:53:06 PM

u_gonna_squeal_b4_we_cookya said:
Is this the sound your HDD is making? http://www.youtube.com/watch?v=7m5cil6KezI Is it a new HDD?


Yes, it is new
Nope, it beeps only once, simillar to what a front pannel speaker would do in normal circumstances

Speaking of which, browsing asus online help website, I think a speaker would help to identify the cause of the problem... to bad I don't have one, since I built a costum case
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September 17, 2013 4:08:16 PM

I'm really bummed because I have no money for replacement parts, and I'll start paying college tuition next month, so there will probably be no money left either
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September 17, 2013 4:16:50 PM

the fans work, momentarily
No, I have no other PSU readily available
Yes, it is all brand new, but I fear I may have ruinde something myself, and also, there's the pinpoint problem..
And the HDD beep may or may not sound like a braking squeal, I'm really not sure

As in asus online support:

"1.4.2.1 Memory issue: Beep (1 long 2 short)..."
"1.4.2.2 Graphics card issue: Beep (1 long 3 short)..."
"1.4.2.3 CPU issue: Beep (5 short)..."

Do you know of anyway I could ghetto the speaker, with an LED or something? I think the speaker is the key to pinpoint the rot
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September 17, 2013 4:24:02 PM

I'm not gona argue with someone that has clearly a much greater knowledge on the subjet than me, but wouldn't a broken PSU mean no power at all?
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September 17, 2013 4:26:29 PM

Yeah, I have all the front pannels' connectors, speakers included, I stripped them from a very old case a friend had laying arround about to be thrown away
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September 17, 2013 4:28:41 PM

my gba sp is standing next to me, the speaker isn't soldered or anything ( I know cause I have cracked it all up before), I think I'm gona use that
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September 17, 2013 4:38:55 PM

no signal from the speaker, tried every connection possible, maybe it's because of the voltage difference, gba battery says 3.8V
Will look for some other speaker
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September 17, 2013 4:41:07 PM

going for a 9V intercom speaker now..
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September 17, 2013 4:55:36 PM

busted the intercom speaker trying to get it out of the intercomm, screws were too rust

the gba sp speaker work on the 9V battery, see no reason why they shouldn't on the mobo

So I can assume the mobo isn't beeping

"
1.4.1 If there is no beep, please contact your retailer for a check..."
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September 17, 2013 4:58:58 PM

How do I check for propper ground ?
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September 17, 2013 5:03:11 PM

I'm going to try and switch out the PSU tomorrow.. hope that is the problem, cause it (probably) means I already bought it deffective.
Kinda worried that returning something will take a lot of time, cause I bought it online, and distribution services on my country do not have the greatest of reputations
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September 18, 2013 1:19:31 AM

I've done the paperclip test on the PSU and it is OK, so the problem lies somewhere else

Which means I probably damaged something when unboxing
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September 18, 2013 1:37:16 AM

the motherboard would be my guess, based on asus online support
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September 18, 2013 2:10:53 AM

omfg, plugged everything back in, just so it was all tidy before I left home, and now it works

Screw you electronic gods


Thanks for all the help
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September 19, 2013 7:07:30 AM

u_gonna_squeal_b4_we_cookya said:
PedroFerreira said:
omfg, plugged everything back in, just so it was all tidy before I left home, and now it works

Screw you electronic gods


Thanks for all the help


This is good to hear. Hope it stays this way.

Sometimes in old houses, an outlet will have the usual three prongs but will not be properly grounded. It is recommended to have an electrician test them with the proper equipment. But, it seems that this may not have been the problem.


I think the problem was with the PSU, but doing the paperclip test sorted it out, somehow, anyway, thank you.

Btw, I've started another thread on another problem I now have, regarding the installation of windows 7, maybe you could help me on that aswell? :) 

http://www.tomshardware.co.uk/answers/id-1806379/rig-wi...
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