Motherboard shutting down shortly after power up

[RandomSadness]

So I cleaned my cpu and h110i gt water block using artic silver articlean and applied fresh thermal paste (mx4).
I afterwards noticed that I put way too much thermal compound on the cpu, but just kept it, thinking it would be fine.
Finished the build, powering the computer on, and seeing that the motherboard just powered up and less than 1 second later powered off.
I thought it could have been due to the huge amount of thermal paste so I cleaned the cpu and water block , then applied a tiny dot , but it didn't boot either.
I checked the power supply, then plugged the 12v cpu cable off, the motherboard didn't shut down, but it didn't boot (obviously).

How can I fix this ?

 

[Pill Monster]

Pretty safe bet the PSU is shot.

http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story6&reid=413


Try to avoid cheapo units as you often end up paying more in the end...........


Where are you?


Ed* Just to check, try booting without the GPU.

 

[RandomSadness]

I live in an oversea department of France. Are you sure I have a faulty power supply ? I have had no problems with this unit till I changed the thermal paste.

 

[manofthem]

It sounds like it's possibly shorting out so check all connections and possible areas. Is the block the only thing you adjusted and/or moved?

 

[Pill Monster]

We

I live in an oversea department of France. Are you sure I have a faulty power supply ? I have had no problems with this unit till I changed the thermal paste.

Well could be a coincidence, is AS5 conductive I can't remember? If the board is clean then I'd check the PSU next....


Hmm maybe it is a short looking at this:

The mediocre:

• double spec ripple spikes on the 3.3V, 5V, and 5VSB rails
• 5.6V power on ripple spike, 5VSB
• did not comply with ATX rise time spec, 12V
• above spec power good signal

The Bad:

• ATX connector had mega loose pin sockets
• below average 12V ripple suppression
• second tier capacitors
• 2 year warranty

Is it completely new build?

 

[RandomSadness]

Checked the other 12v cable, without graphics card, without network card , hard drives , tried another power cord , still shutting down less than 1 second later.
Not sure if the power supply or the motherboard , but it makes a low pitched noise before shutting down.

Edit : The power supply vibrates making the noise.

Is it completely new build?

3 weeks old.

 

[Pill Monster]

Yeah the PSU is almost certain to blame, maybe it's shorted or dead who knows.... did u read the OK Wolf review?
It should be replaced anyway, PSU is the cornerstone of any overclock. And if the atx pins are loose you'll have all kinds of problems.



Just a suggestion, Corsair have a new hybrid modular unit out, the CS M I think, has OK reviews.....maybe check it out. Think

Seems reasonably priced, my mate bought one for his 290. Has 5yr warranty...

 

[95Viper]

You didn't tighten the water block down to tight, did you?

Do a re-check on those connections, too; and, others you may have bumped.
If you took the CPU out of the socket... re-check the pins.

If you can borrow another working PSU and test... before going out and buying a new one.

Also, makes sure all the screws, tools, etc. are accounted for.

 

[johnspack]

Honestly I'd look at the psu as well. What is that?

 

[95Viper]

What is that?

that

I could not help myself... I had to post it.

 

[Bill_Bright]

Finished the build, powering the computer on, and seeing that the motherboard just powered up and less than 1 second later powered off.

That is a symptom of a bad PSU, but it also is a symptom of a bad CPU, the BIOS failing to sense the CPU fan, bad RAM, or even bad graphics. It can also be caused by a foreign object, such as extra standoffs, under the motherboard. So this can be difficult to troubleshoot. Note extra standoffs is a common mistake.

Did you ensure both power cables to the motherboard are connected? Many graphics cards require 1 or 2 extra power cables from the PSU, so make sure they are connected.

Did you take care to observe ESD precautions when handling the CPU and RAM?

Any beeps?

I checked the power supply, then plugged the 12v cpu cable off

How did you check the PSU? And what do you mean by plugged the cable "off"?

You might try removing everything from the case and assembling the computer on piece of bare cardboard or a large breadboard and see what happens. If it still does not boot, then I would borrow a good PSU to swap in.

 

[Aquinus]

This may sound absurd but, did you reset the BIOS? There have been a handful of instances (usually if I've been overclocking,) where I would shut my machine off, unplug it, do something to it like reapply the TIM on my GPUs, then put it all back together again and turn it on and sometimes it would stay on and hang or do as you suggest and turn off instantly and not boot and after enough on and off cycles it sometimes would carp about overclock failure even though saving the same setting I already had would usually work fine.

Also turning on and then shutting off is the exact behavior my P9X79 Deluxe does when DRAM is just barely unstable enough to boot but not so unstable that it can't operate (where it hangs on DRAM init.) So if you haven't reset your BIOS, I would do that now just so you can rule out instability due to your overclocks.

 

[RandomSadness]

How can I reset my motherboard ? I'll also use another power supply to test if the system can boot. Everything was plugged in when testing.

 

[MrGenius]

Should be some clear CMOS jumper pins somewhere. ASUS says there is.

My question is, did you remove the CPU from the socket before cleaning it? Or did you try cleaning it while still installed?

 

[RandomSadness]

Should be some clear CMOS jumper pins somewhere. ASUS says there is.

My question is, did you remove the CPU from the socket before cleaning it? Or did you try cleaning it while still installed?

I cleaned it while seated. Is it bad ?

 

[MrGenius]

Not necessarily. But I wouldn't advise it. Try removing it, and reinstalling it. You may have shifted it enough to push a pin or two out of place. Which will probably re-align if you just take the CPU out and put it back in.

 

[CAPSLOCKSTUCK]

If you doubt your PSU buy one of these, they work and they are cheap

20/24 Pin Power Supply Tester Test With PSU ATX SATA HDD Connectors PC Computer

http://www.ebay.co.uk/itm/20-24-Pin...951?pt=LH_DefaultDomain_3&hash=item2edef8ada7


I would much rather repaste a cpu in situ.

 

[RandomSadness]

If you doubt your PSU buy one of these, they work and they are cheap

This can't be delivered in my country. And if it could , it would take many weeks..

Not necessarily. But I wouldn't advise it. Try removing it, and reinstalling it. You may have shifted it enough to push a pin or two out of place. Which will probably re-align if you just take the CPU out and put it back in.

I will try this and report back.

 

[HWTactics]

CLRTC is the CMOS clear jumper on your ASUS X99 mobo. Turn off the PC, move the plastic jumper to the right one pin, then move it back into its original position and try turning the PC on again.

If you don't have any luck then, textbook hardware troubleshooting enters the scene.

Leave only the power supply cables to the mobo & video card, the video card itself, CPU/CPU cooler and RAM plugged in. Try to power it on.
If no life, re-seat the power supply cables and try again. Make sure the plastic clips are clipped on all the way.
If no life, re-seat the RAM and try again. Make sure the mounting tabs are clipped in all the way.
If no life, re-seat the CPU and cooler and try again.

If still no life, things start to get a little more troublesome. My bet would be on either the motherboard or power supply at that point.

 

[adulaamin]

It would be good to check the Q-Code LEDs as well when you turn on the PC. It's #19 on the pic posted by HWTactics.

 

[CAPSLOCKSTUCK]

Bill mentioned it earlier, do you have beeps? Do you have a speaker attached?

I would also suggest a corrupted or fried BIOS chip, smelling your board will help with this, even though it may take weeks to arrive, one of these is a very cost effective way of diagnosing mobo issues

they are cheap
http://www.ebay.co.uk/itm/New-PC-4-...464?pt=LH_DefaultDomain_3&hash=item418ecab0e0


i used my one on a faulty Z87 board about a week ago.

 

[RandomSadness]

It would be good to check the Q-Code LEDs as well when you turn on the PC. It's #19 on the pic posted by HWTactics.

It displays 00 and instantly turns off.

 

[MrGenius]

I would much rather repaste a cpu in situ.

If by that you mean "without removing it from the socket", you're just asking for trouble. Maybe when the OP gets back and says my idea worked, or you bend a pin so bad it can't be fixed by doing it, you'll change your mind.

It's just not a smart thing to do. Maybe in the pre-LGA days it wasn't as stupid. But those days are for the most part over and gone.

 

[CAPSLOCKSTUCK]

If by that you mean "without removing it from the socket", you're just asking for trouble. Maybe when the OP gets back and says my idea worked, or you bend a pin so bad it can't be fixed by doing it, you'll change your mind.

It's just not a smart thing to do. Maybe in the pre-LGA days it wasn't as stupid. But those days are for the most part over and gone.

i hardly think it is "stupid " to gently remove old TIM when the cpu is securely locked in place, rather than risk damage to sensitive pins while removing and then replacing it,

I am finding it difficult to visualize just how vigorously you would have to rub your chip before damage would occur if you left it in its' socket which after all is designed to grip it tight

 

[Pill Monster]

This can't be delivered in my country. And if it could , it would take many weeks..



I will try this and report back.

Don't you have a local PC store? Take the case in and ask for a PSU test. Should only take 5mins..... they'll prob do it for free.