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CPU fans aren't spinning, computer won't post

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SFC_Mac

Junior Member
Dec 18, 2012
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While playing BF3, I noticed a few small beeps while playing.. Didn't pay much attention as I thought it was someone else over TeamSpeak..

Computer all of a sudden shot off and wouldn't load when I tried to start it up. The post screen won't even come on. I opened the case and the CPU Fans (Noctua D14) weren't even spinning. I switched the 3-pin connector to another CPU Fan controller on the motherboard, and the fans still won't spin nor will the computer load anything! Completely blank screen. The power supply and other internal fans will run however. I'm hoping the CPU didn't fry? It's an i7 3770k at stock speeds. Perhaps the CPU Fans died? If the fans aren't spinning, will this cause the computer not to load at all?

Any information would be great, thank you.

Tom
 
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SFC_Mac

Junior Member
Dec 18, 2012
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I just looked took a glance at the video card as I turned the system on and the fan to it isn't even spinning either!

ALSO to note, the computer will not turn off if I hold the power button. I have to manually unplug the power cable. This sounds like a motherboard issue now perhaps? There is no number code or anything showing on the mobo.

Rather frustrating, as this is a new build minus the video card which is only a couple years old.

i7 3770k
ASROCK Z77 Extreme4
EVGA Geforce GTX 570
16GB G.Skill ripjaws
 
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SFC_Mac

Junior Member
Dec 18, 2012
24
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Steltek said:
I agree that you need to swap the power supply (at least, if your power supply is still under warrant, Corsair is pretty good with RMAs). If you have a multimeter, you can test the existing one yourself:

http://pcsupport.about.com/od/toolsofthetrade/ht/power-supply-test-multimeter.htm

Out of curiosity, what happens if you pull the video card and try to start the machine?
Click to expand...

Same exact thing unfortunately. I RMAd my last corsair for this one, suppose I may have to do it again. 650W sounds like plenty for this rig correct? What makes you think it's not the mobo?
 
Steltek

Steltek

Diamond Member
Mar 29, 2001
3,346
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SFC_Mac said:
Same exact thing unfortunately. I RMAd my last corsair for this one, suppose I may have to do it again. 650W sounds like plenty for this rig correct? What makes you think it's not the mobo?
Click to expand...

I'm surprised about that as Corsair usually sells pretty good power supplies. Your power supply has more than sufficient capacity for your listed hardware.

It could be a bad motherboard (especially as you had a prior power supply failure, which could have damaged the board). However, it is generally much easier to test the power supply first before you swap the motherboard.

Are you running off a UPS or is your machine plugged directly into the wall?
 
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SFC_Mac

Junior Member
Dec 18, 2012
24
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Steltek said:
I'm surprised about that as Corsair usually sells pretty good power supplies. Your power supply has more than sufficient capacity for your listed hardware.

It could be a bad motherboard (especially as you had a prior power supply failure, which could have damaged the board). However, it is generally much easier to test the power supply first before you swap the motherboard.

Are you running off a UPS or is your machine plugged directly into the wall?
Click to expand...

Funny, it turned on this morning on my first try. I noticed a small rattling noise by the CPU fan but it could be a wire hitting the fan, I didn't have time to diagnose the noise. This mobo is new and this is the only psu it's seen. It is plugged into the wall.

I've worried that when I put this together I didn't use enough thermal paste. Could over heating cause the above issues?
 
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SFC_Mac

Junior Member
Dec 18, 2012
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I think the issue may have been overheating related. Since I let it sit all night, it powered on just fine this morning (however I immediately turned it back off).

I have since taken off the Noctua D14, cleaned and reapplied thermal paste. I've already noticed a difference in idle temps for the better since putting a little more paste on then I did before. Prior to this, I was noticing idle temps around 30-40c. Now all cores on idle are from 17c-33c (fluctuating). I will load up some BF3 and see how the temps run after an hour of playing, and hopefully no crashing.
 
sm625

sm625

Diamond Member
May 6, 2011
8,172
137
106
Overheating of a stock 3770K cooled with a Noctua D14? Not likely. And if overheating somehow crashed it, it would have cooled down the instant your gaming load was removed. It would have been cooled off enough by the time you unplugged it for 5 seconds and plugged it back in.

Maybe your psu overheated and tripped some resettable fuse. (Just a guess I dont even know what sort of power protection that model has. Some models dont even need to over heat. Just pulling too much current will trip it into a temporary fault condition.)
 
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SFC_Mac

Junior Member
Dec 18, 2012
24
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After a few days of no issues, the beeping has just began again. I took note of it this time; 2 short beeps that happen intermittently. Online says 2 short beeps is typically a parity issue with the RAM. I have reset the RAM back into their original places to see if it happens again, and if it does, I'll try the other two slots. If it then happens again, it sounds obvious that I have a bad stick. Both came together. What sucks is having this Noctua D14; I have to take the damn thing off every time I want to mess with the RAM :p

QUESTION: If I take the HSF off, should I replace the thermal paste each time?
 
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SFC_Mac

Junior Member
Dec 18, 2012
24
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apparently the files distorted as I saved them....

CPUID hardware Monitor shows my WDC Temps as:
Assembly: 34C
Drive: 144C
Air Flow: 146C

This is an older WD drive.. It's the only thing I didn't upgrade with this new system. Sound like a new HD is in order??
 
Ketchup

Ketchup

Elite Member
Sep 1, 2002
14,559
248
106
SFC_Mac said:
UPDATE:

Came back, however I noticed a HUGE increase in Hard Drive temp this time!

This is a screenshot before I started viewing youtube...

http://i703.photobucket.com/albums/ww34/sgtmcclintock/Test1_zps3aa8f774.jpg

Here's a screenshot after watching some HD video for a couple of minutes!

http://i703.photobucket.com/albums/ww34/sgtmcclintock/test2_zpse5f1b82d.jpg

Hard drive appears to be OVERHEATING!
Click to expand...

Might want to give it the "touch test" (technical term) to make sure the sensors are reporting the correct temp. That should be pretty darn hot.

Is there a fan in front of the hard drive?

Sounds like there is a problem with the drive though. That is really hot, even if it doesn't have a dedicated fan.
 
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SFC_Mac

Junior Member
Dec 18, 2012
24
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The drive didn't appear to be scorching when I touched it, however I only touched the top and front (the non connector side).

There are no fans directly in front, however I have 2 intake fans only an inch away from it, but not blowing directly on it. One right above it, and one on the bottom of the came intaking from the ground right beside it.

The only times these beeps and high temps begin to occur are either when I begin to play Battlefield 3, or watch youtube video's. I restarted it since the I noticed the high temps and haven't done anything but monitor the temps and load basic webpages, with no heating issues thus far.
 
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SFC_Mac

Junior Member
Dec 18, 2012
24
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Continued to have issues since my last post. Temps would show extremely hot, however hard drive never was hot to the touch. Beeping continued. I changed the SATA port and haven't had any issues so far, with about 30 minutes of gaming. Is it possible the SATA port could be reading a temperature wrong, thus causing the motherboard to shutdown due to excessive overheating?
 
Puppies04

Puppies04

Diamond Member
Apr 25, 2011
5,909
17
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I wouldn't worry too much about the HDD reporting stupid temps if it doesn't feel warm. My Agility 3 constatly says it is over 100°C with HW monitor even though it lives inside what is basically a wind tunnel (all fan bays are populated in my HAF-X) and it feels cool to the touch.
 
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SFC_Mac

Junior Member
Dec 18, 2012
24
0
0
After swapping SATA ports, I've had no issues all day. In assuming I have a bad sata port that causes high temps to show. That's not really an issue, but what's an issue with that port is that it will cause the system to ultimately shut down. I'm not really to concerned at this point as I will never use all the ports, so leaving that one empty is ok.
 
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