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Jon1984
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Urgent help!!!

Fri Jan 25, 2013 5:00 am

Hi there.

Help me understand this problem. I build up my new machine, all ready to fire up but:

- when I turn it on all fans (cooler, psu, system fans) spin for a 1-2 seconds then turn off;
- then he keeps on doing it endlessly until I unplug it.

What can it be?

The motherboard (GIGABYTE B75M-D3H) has 2 x 4-pin ATX 12V power connector but my PSU only has 4-pin ATX 12V,the board has 24-pin ATX main power connector and the PSU is 20+4 pin. Is this why it doesn't work? :-?

EDIT

MB: http://www.gigabyte.com/products/produc ... id=4315#sp
PSU: http://www.bequiet.com/en/powersupply/296
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just brew it!
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Re: Urgent help!!!

Fri Jan 25, 2013 5:12 am

The 4-pin vs. 8-pin ATX 12V combination isn't necessarily problematic, but could be if you've got a power-hungry CPU. I suppose there may be mobos that require the 8-pin connection even with lower-powered CPUs, but I haven't seen one.

The 20+4 vs. 24 pin thing is normal. PSU vendors do this to maintain backward compatibility with older motherboards that have a 20-pin main connector.

EDIT

Just saw your PSU specs; depending on what else is in this system that could be underpowered. Please post the rest of your system specs.
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Arclight
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Re: Urgent help!!!

Fri Jan 25, 2013 5:23 am

If you recently bought the PSU, you should be able to return it and change it with another model that has all the right cable connectors. Personally i've heard that a 4pin cpu connector should work fine on a mobo with 8 pin CPU header, if the psu is strong enough compared to the power consumption.

If you say that it doesn't work, then you probably need a beefier PSU. Btw, what are the other spex of the PC?
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Jon1984
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Re: Urgent help!!!

Fri Jan 25, 2013 5:33 am

Rest of the specs:

COOLER MASTER ELITE 360
2x AEROCOOL SHARK BLACK EDITION 120MM
SAMSUNG DVDRW 22X SATA SH-224BB
CORSAIR FORCE 60GB 2,5" SSD SATA II
CPU INTEL 1155 I5 2400 3.10GHZ 6MB BOX
TP-LINK TL-WN881ND PCI EXPRESS ADAPTER WIRELESS
CORSAIR PC3-10600 8GB CL9 (4X2GB) DDR3
Toshiba 320GB 2.5" HDD SATA

No graphics card!
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JustAnEngineer
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Re: Urgent help!!!

Fri Jan 25, 2013 6:01 am

Double-check that you haven't accidentally grounded something to the case (with an extra motherboard standoff, for example).
Simplify the trouble-shooting by unplugging most components and starting with just the PSU, motherboard, CPU and RAM. Then gradually plug in fans, hard-drives, etc.
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Jon1984
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Re: Urgent help!!!

Fri Jan 25, 2013 6:12 am

JustAnEngineer wrote:
Double-check that you haven't accidentally grounded something to the case (with an extra motherboard standoff, for example).
Simplify the trouble-shooting by unplugging most components and starting with just the PSU, motherboard, CPU and RAM. Then gradually plug in fans, hard-drives, etc.


Sir, are you saying for example, plug of all things except the CPU and see if it starts, then add the RAM and see if it starts, then HDD's etc?

I believe the motherboard has been correctly placed...
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Arclight
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Re: Urgent help!!!

Fri Jan 25, 2013 6:28 am

At this point we can speculate that's it's either the fault of the PSU or the motherboard. You could at the very least test with another PSU from a friend or a local IT shop to confirm or deny if it's the PSU.

If you test with a PSU that is known to work and yet the system will exhibit the same behaviour then it's most likely the mobo''s fault.

Edit:
I see in your signiture that you also have a Earthwatts 500W? Try using that for the test....
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Jon1984
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Re: Urgent help!!!

Fri Jan 25, 2013 6:36 am

Arclight wrote:
At this point we can speculate that's it's either the fault of the PSU or the motherboard. You could at the very least test with another PSU from a friend or a local IT shop to confirm or deny if it's the PSU.

If you test with a PSU that is known to work and yet the system will exhibit the same behaviour then it's most likely the mobo''s fault.

Edit:
I see in your signiture that you also have a Earthwatts 500W? Try using that for the test....


Indeed I have, although I would be easier to go to the shop for the test is close to my home :wink:
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Jon1984
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Re: Urgent help!!!

Fri Jan 25, 2013 7:23 am

I recall now, I didn't install the system speaker... Could this be a issue also? I'll install it when I get home so maybe the "beeps" will tell me something more about the problem also.
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vargis14
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Re: Urgent help!!!

Fri Jan 25, 2013 7:44 am

2 560 tis in sli can pull well over 300 watts loaded. Pull one card out remove the motherboards battery, reset cmos and recheck all connections and make sure ram and cards are properly seated.

then try powering it up
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Jon1984
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Re: Urgent help!!!

Fri Jan 25, 2013 7:50 am

vargis14 wrote:
2 560 tis in sli can pull well over 300 watts loaded. Pull one card out remove the motherboards battery, reset cmos and recheck all connections and make sure ram and cards are properly seated.

then try powering it up


Could you explain? Aren't you making some confusion with the topic?
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Arclight
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Re: Urgent help!!!

Fri Jan 25, 2013 8:18 am

Jon1984 wrote:
I recall now, I didn't install the system speaker... Could this be a issue also? I'll install it when I get home so maybe the "beeps" will tell me something more about the problem also.


I personally had problems with a new DOA mobo that exhibited the issues as yours, but there are others who described simillar symptomps but the cause was different ranging from defective PSU to discrete video card.

Since your system only quirk seems to be the PSU and the video output comes from the IGP, naturally i suspect the PSU or the motherboard. That said we aren't magicians, unless you start actually testing parts yourself we can't do anything. It's clear that you have enough knowledge with DIY builds, i doubt the mobo speaker would help. It usuually does if the mobo works and we haven't established that yet. Maybe i'm crazy but i sense a touch of sarcasm in your tone.

Is this thread even for a real system? I'm having doubts right now due to your responses.
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nanoflower
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Re: Urgent help!!!

Fri Jan 25, 2013 8:28 am

It could be something as simple as a cable plugged into the wrong slot. I recently got more memory and in order to install it I disconnected the cables that went to the front of my board (HD/Power/Reset/Speaker). When I reconnected them and tried to power up the computer I got into a similar situation where I could see the fans spin up for a few seconds, stop and then restart about ten seconds later. It kept doing that forever. It turns out that when reconnecting the cables I had put some in the wrong spot. (Easy to do since they were all together and had no keying to prevent you from making a mistake.)

It took me a few minutes to figure out what was causing the problem but once I reconnected the wires in the proper order everything worked great and the system booted up as it should.
 
Jon1984
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Re: Urgent help!!!

Fri Jan 25, 2013 9:31 am

Arclight wrote:
Jon1984 wrote:
I recall now, I didn't install the system speaker... Could this be a issue also? I'll install it when I get home so maybe the "beeps" will tell me something more about the problem also.


I personally had problems with a new DOA mobo that exhibited the issues as yours, but there are others who described simillar symptomps but the cause was different ranging from defective PSU to discrete video card.

Since your system only quirk seems to be the PSU and the video output comes from the IGP, naturally i suspect the PSU or the motherboard. That said we aren't magicians, unless you start actually testing parts yourself we can't do anything. It's clear that you have enough knowledge with DIY builds, i doubt the mobo speaker would help. It usuually does if the mobo works and we haven't established that yet. Maybe i'm crazy but i sense a touch of sarcasm in your tone.

Is this thread even for a real system? I'm having doubts right now due to your responses.


Sorry if I'm not sounding correctly. I asked about the system speaker because when I turn on the PC there are no "beep" sounds, if I recall normally when something isn't correctly placed or missing, the beeps allow you to understand the problem at hand.

Yes it is a real system of course, I'm not trying to waste all your time :-?
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Jon1984
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Re: Urgent help!!!

Fri Jan 25, 2013 9:34 am

nanoflower wrote:
It could be something as simple as a cable plugged into the wrong slot. I recently got more memory and in order to install it I disconnected the cables that went to the front of my board (HD/Power/Reset/Speaker). When I reconnected them and tried to power up the computer I got into a similar situation where I could see the fans spin up for a few seconds, stop and then restart about ten seconds later. It kept doing that forever. It turns out that when reconnecting the cables I had put some in the wrong spot. (Easy to do since they were all together and had no keying to prevent you from making a mistake.)

It took me a few minutes to figure out what was causing the problem but once I reconnected the wires in the proper order everything worked great and the system booted up as it should.


Yes, I'm not fully confident if those connections were made correct, I will try to make a research about those connections and see if the problem could be on those :wink:
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Captain Ned
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Re: Urgent help!!!

Fri Jan 25, 2013 9:42 am

Jon1984 wrote:
Sorry if I'm not sounding correctly. I asked about the system speaker because when I turn on the PC there are no "beep" sounds, if I recall normally when something isn't correctly placed or missing, the beeps allow you to understand the problem at hand

Does your case even have the speaker? Not many do these days.
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DPete27
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Re: Urgent help!!!

Fri Jan 25, 2013 9:58 am

What if you plug the 4-pin power into the other set of 4 holes on the 8-pin header? Just make sure you're plugging it in the right spot. Check the mobo manual.
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Jon1984
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Re: Urgent help!!!

Fri Jan 25, 2013 10:09 am

Captain Ned wrote:
Jon1984 wrote:
Sorry if I'm not sounding correctly. I asked about the system speaker because when I turn on the PC there are no "beep" sounds, if I recall normally when something isn't correctly placed or missing, the beeps allow you to understand the problem at hand

Does your case even have the speaker? Not many do these days.


It as something called "Buzzer" that connects to the MB somewhere I guess... Not sure... Maybe only on older boards have a connection for this.
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Jon1984
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Re: Urgent help!!!

Fri Jan 25, 2013 10:10 am

DPete27 wrote:
What if you plug the 4-pin power into the other set of 4 holes on the 8-pin header? Just make sure you're plugging it in the right spot. Check the mobo manual.


I think its on the right spot but i'll try to disconnect everything and put back together :wink:
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Captain Ned
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Re: Urgent help!!!

Fri Jan 25, 2013 10:11 am

Jon1984 wrote:
It as something called "Buzzer" that connects to the MB somewhere I guess... Not sure... Maybe only on older boards have a connection for this.

The boards still have the connection, it's just that most modern cases don't have the speaker in them.

EDIT: Grabbed the manual for your case and it does come with a buzzer unit. The manual for your motherboard shows speaker pins on the F_PANEL header in the bottom right corner of the board (as oriented in the case). Unfortunately, the manual for your motherboard doesn't list beep codes.
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Re: Urgent help!!!

Fri Jan 25, 2013 10:36 am

Jon1984 wrote:
I believe the motherboard has been correctly placed...

Even if it is correctly placed, there could be an extra standoff underneath that does not correspond to a motherboard mounting hole.

Jon1984 wrote:
I recall now, I didn't install the system speaker... Could this be a issue also? I'll install it when I get home so maybe the "beeps" will tell me something more about the problem also.

Not connecting a speaker won't cause problems. In some cases the beeps can help you diagnose the problem, but it sounds like the system is powering down before it would have a chance to give you any beep codes.

vargis14 wrote:
2 560 tis in sli can pull well over 300 watts loaded.

Where did he say he had a pair of 560 Tis?
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Jon1984
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Re: Urgent help!!!

Fri Jan 25, 2013 11:18 am

just brew it! wrote:
Jon1984 wrote:
I believe the motherboard has been correctly placed...
Even if it is correctly placed, there could be an extra standoff underneath that does not correspond to a motherboard mounting hole.


I've manually installed the 7 necessary standoffs correspondent to the motherboard in the right places. Might review them anyway :wink:
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vargis14
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Re: Urgent help!!!

Fri Jan 25, 2013 5:57 pm

My bad......I could ave sworn the op had sli 560tis listed . I could have not been more incorrect. :o sorry charlie
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Jon1984
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Re: Urgent help!!!

Fri Jan 25, 2013 6:09 pm

Gentlemen,

It seems that the issue was as simple as swapping the RAM in the right order :oops:

Although I'm happy with the outcome, sorry to bother you with such a simple question :wink:

Best regards
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