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Offlinekotik
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so my CPU (quad core) is running at 90c - help!
    #7861528 - 01/10/08 08:37 PM (16 years, 22 days ago)

i got a huge shipment from newegg today, and much to my surprise, I had the whole thing put together, running, and installed vista within an hour...  then, it started to just shut off at random.

I rechecked connections, etc.  Then I checked my temperature in the BIOS...  it was at 89!  I immediately turned it off, praying I didn't fry the CPU.

I've tried reseating the heatsink, putting all the fans on high, etc.  Everytime I boot up and go into the BIOS, I can see the CPU temperature starting around 60c, and rapidly climbing up.  After 3 times of it getting past 70c, I turned it off.

I am guessing that the heatsink wasn't applied properly (stock).  I'm not overclocking, and the ambient room temp is about 73f.

As of now, I gave up - and plan on getting some Arctic Silver Thermal Grease tomorrow, and possibly a new (better) heatsink.

First of all, the computer still boots and etc, so I probably didn't kill my CPU...  but are there any other reasons this could be happening?

this sucks...  :frown:


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No statements made in any post or message by myself should be construed to mean that I am now, or have ever been, participating in or considering participation in any activities in violation of any local, state, or federal laws. All posts are works of fiction.


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Offlinerobbyberto
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Re: so my CPU (quad core) is running at 90c - help! [Re: kotik]
    #7861549 - 01/10/08 08:41 PM (16 years, 22 days ago)

Yeah, it's definitely the lack of good thermal paste. I'm assuming you just put on the heat sink with whatever shitty paste was plastered or did you just put on the heat sink with out paste?


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“People say having kids is life changing, well that doesn’t necessarily mean a good thing, does it? I could take one of my legs off. That would change my life.” -Karl Pilkington



Edited by robbyberto (01/10/08 08:41 PM)


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Offlinekotik
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Re: so my CPU (quad core) is running at 90c - help! [Re: robbyberto]
    #7861607 - 01/10/08 08:47 PM (16 years, 22 days ago)

heh, no I made sure there was paste... but it was just the stock heatsink that comes with an intel CPU, and I DID notice that the thermal paste "pads" on the bottom were applied really crappy (they had bubbles in them and etc).

However, I've read in lots of places that the stock heatsink is fine if you aren't overclocking. Obviously, I need to get myself some paste. I'll probably just get a decent CPU cooler while I'm at it, since they have this snap into place shit that's really horrible.

Thanks, now I'm just hoping that 90c doesn't permanently damage a chip. No signs yet, but I'm not going to turn it back on now until I have a new cooling solution.


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Offlinerobbyberto
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Re: so my CPU (quad core) is running at 90c - help! [Re: kotik]
    #7861719 - 01/10/08 09:03 PM (16 years, 22 days ago)

I had a hard time telling if my stock AMD fan clipped on properly. Sometimes it takes a lot of force to get them on. Maybe you could run of to a computer store and get shitty paste. I know I would if I had that CPU.


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“People say having kids is life changing, well that doesn’t necessarily mean a good thing, does it? I could take one of my legs off. That would change my life.” -Karl Pilkington



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OfflineLegend9123
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Re: so my CPU (quad core) is running at 90c - help! [Re: robbyberto]
    #7862324 - 01/10/08 10:34 PM (16 years, 22 days ago)

90 C shouldn't have hurt it permanently. Just get yourself a good cooler and heat paste and make sure it is on properly next time. Enjoy your new quad core by the way.


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InvisibleCosmicJokeM
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Re: so my CPU (quad core) is running at 90c - help! [Re: kotik]
    #7863331 - 01/11/08 01:58 AM (16 years, 21 days ago)

sumpin' gotta be up w/ that hsf............ you got all 4 of its pins to lock properly and have its cable plugged into the motherboard right? did you see that the fan was working at all?


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Everything is better than it was the last time.  I'm good.

If we could look into each others hearts, and understand the unique challenges each of us faces, I think we would treat each other much more gently, with more love, patience, tolerance, and care.

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OfflineSeussA
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Re: so my CPU (quad core) is running at 90c - help! [Re: robbyberto]
    #7863593 - 01/11/08 04:08 AM (16 years, 21 days ago)

> Yeah, it's definitely the lack of good thermal paste

The less a person declares as fact, the less they look like an ass in hindsight.

One thing I have seen that stumped me for a while... reset your BIOS to factor defaults. I got a motherboard once that somebody had apparently played with before hand, even though it was in a sealed box. The BIOS settings for overclocking were all maxed out. When I reset BIOS to factor defaults, my problems went away.

Other common gotchas:

Make certain the CPU fan is plugged into the proper header on the logic board.
Make certain the CPU fan header matches the logic board header (3 for 3 or 4 for 4 pins. Don't mix a 3 pin fan header to a 4 pin logic board)
Make certain the CPU fan is spinning.
Make certain the CPU heat sink is big enough. An Intel Q6600/Q6700 can put out 130watts of heat (in some cases); twice what most heat sinks are designed to handle.
Make certain that the CPU heat sink is properly secured.
Make certain that the TIM (thermal interface material) is properly applied.
Make certain that there is airflow out of the computer.
Clean up wires as much as possible; tie them out of the way of airflow.

> and plan on getting some Arctic Silver Thermal Grease tomorrow

I am one of the few that don't like Arctic Silver, which contains metal. I guess if you are not going below ambient, then it probably doesn't matter. I usually use Arctic Ceramique which is metal free.


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Offlinekotik
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Re: so my CPU (quad core) is running at 90c - help! [Re: CosmicJoke]
    #7863594 - 01/11/08 04:11 AM (16 years, 21 days ago)

yup, I turned the case on without putting the sides on, to make sure all fans were running, and they were. The pins are in correct. Perhaps the heatsink wasn't snapped in properly. I was afraid I was going to snap the MoBo with one of the pins, but it felt very secure.

Thanks for the suggestions, I'll post an update later today after I apply some new paste and perhaps get a new heatsink/fan combo.


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No statements made in any post or message by myself should be construed to mean that I am now, or have ever been, participating in or considering participation in any activities in violation of any local, state, or federal laws. All posts are works of fiction.


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OfflineSeussA
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Re: so my CPU (quad core) is running at 90c - help! [Re: kotik]
    #7863603 - 01/11/08 04:17 AM (16 years, 21 days ago)

> Perhaps the heatsink wasn't snapped in properly. I was afraid I was going to snap the MoBo with one of the pins, but it felt very secure.

If I remember correctly, the Q6600/Q6700 are designed for 60lbs of force between the heat sink and the heat spreader on the CPU. Probably want to double check me on this one; it has been a while since I looked at the numbers.


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InvisibleCosmicJokeM
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Re: so my CPU (quad core) is running at 90c - help! [Re: kotik]
    #7863618 - 01/11/08 04:39 AM (16 years, 21 days ago)

they don't really need much force, they just have to be aligned properly and then you know how the pins have both a black exterior and a white interior? the black exteriors can't be pushed into the white interior, they need to be pulled up and rotated clockwise so they point outwards. then you push two in diagonally at a time.... if you're going w/ new paste make sure to wipe the old paste off both your cpu and the hsf. g'luck man.


--------------------
Everything is better than it was the last time.  I'm good.

If we could look into each others hearts, and understand the unique challenges each of us faces, I think we would treat each other much more gently, with more love, patience, tolerance, and care.

It takes a lot of courage to go out there and radiate your essence.

I know you scared, you should ask us if we scared too.  If you was there, and we just knew you cared too.


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OfflineSeussA
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Re: so my CPU (quad core) is running at 90c - help! [Re: CosmicJoke]
    #7863630 - 01/11/08 04:56 AM (16 years, 21 days ago)

> they don't really need much force

Intel® Core™2 Extreme Quad-Core Processor and Intel® Core™2 Quad Processor Thermal and Mechanical Design Guidelines
http://download.intel.com/design/processor/designex/31559406.pdf:
Quote:

The attach mechanism for the heatsink developed to support the processor should create a static preload on the package between 18 lbf and 70 lbf throughout the life of the product for designs compliant with the reference design assumptions:




Quote:

Ensuring thermal performance of the thermal interface material (TIM) applied between the IHS and the heatsink. TIMs based on phase change materials are very sensitive to applied pressure: the higher the pressure, the better the initial performance. TIMs such as thermal greases are not as sensitive to applied pressure. Designs should consider a possible decrease in applied pressure over time due to potential structural relaxation in retention components.




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Offlinekotik
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Re: so my CPU (quad core) is running at 90c - help! [Re: Seuss]
    #7863643 - 01/11/08 05:10 AM (16 years, 21 days ago)

well I will admit to one mistake I made, which probably isn't helping.

After I noticed the CPU was too hot the first time, I decided to re-seat the heatsink. When I did that, I actually rotated it, so that I could plug the fan in easier.. however I didn't wipe of the "thermal interface material" before rotating it 90 degrees. Anyways, I didn't have any other paste or anything.

Seriously, that "TIM" pad that came on the stock heatsink was sloppy at best. Like I said before, it was full of bubbles and uneven application, but since it's a pad, there wasnt much I could do.

After I took it off the first time, I saw that it looked just like any other paste - it had smeared into a circular layer just like any other paste.

As for the installation, it was awkward at best. I'm not a big fan of the push-pins and the twist to release method.

ive got my heart set on the zalman 9700. my case is an antec p182 full tower, so I have the room.


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No statements made in any post or message by myself should be construed to mean that I am now, or have ever been, participating in or considering participation in any activities in violation of any local, state, or federal laws. All posts are works of fiction.


Edited by kotik (01/11/08 05:40 AM)


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InvisibleDiploidM
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Re: so my CPU (quad core) is running at 90c - help! [Re: kotik]
    #7863700 - 01/11/08 06:00 AM (16 years, 21 days ago)

I found this that might help. This guy was also getting 90C and fixed it by messing with the pins. Also, be careful to support the PCB when you push on the pins so you don't crack it, but I'm sure you already know that.

Here's the link: http://sillydog.org/forum/sdt_8472.php


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1) You can't get married to your spouse who is the same sex as you.
2) You can't have an abortion no matter how much you don't want a child.
3) You can't have a certain plant in your possession or you'll get locked up with a rapist and a murderer.

4) We need a smaller, less-intrusive government.


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Offlinekotik
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Re: so my CPU (quad core) is running at 90c - help! [Re: Diploid]
    #7863771 - 01/11/08 06:36 AM (16 years, 21 days ago)

thanks for the link! Seems to reconfirm what I've been thinking.

I will actually take the motherboard out, and reattach the heatsink with the board out of the case, so ensure it has a proper fit. If that doesn't work, I'll get some paste and reapply... and if THAT doesn't work, Ill be on newegg this weekend to order a new heatsink that screws into the board, instead of snapping.

Im just glad nothing was DOA. I expected a few minor problems, but still surprised I got it to run long enough to format the harddrive and install vista.


--------------------
No statements made in any post or message by myself should be construed to mean that I am now, or have ever been, participating in or considering participation in any activities in violation of any local, state, or federal laws. All posts are works of fiction.


Edited by kotik (01/11/08 06:38 AM)


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OfflineSeussA
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Re: so my CPU (quad core) is running at 90c - help! [Re: kotik]
    #7863837 - 01/11/08 07:03 AM (16 years, 21 days ago)

> but still surprised I got it to run long enough to format the harddrive and install vista.

A lot of newer CPUs will self-throttle as they get to warm to try and prevent thermal death.


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InvisibleCosmicJokeM
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Re: so my CPU (quad core) is running at 90c - help! [Re: Seuss]
    #7864710 - 01/11/08 12:02 PM (16 years, 21 days ago)

mmmhmmm.... i was referring to kotik pushing on the hsf pins so hard that he felt like he was going to snap the motherboard.... if the pins aren't set up right, you can push as hard as you want on them and they're never going to lock into place properly. that's all.


--------------------
Everything is better than it was the last time.  I'm good.

If we could look into each others hearts, and understand the unique challenges each of us faces, I think we would treat each other much more gently, with more love, patience, tolerance, and care.

It takes a lot of courage to go out there and radiate your essence.

I know you scared, you should ask us if we scared too.  If you was there, and we just knew you cared too.


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OfflineSeussA
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Re: so my CPU (quad core) is running at 90c - help! [Re: CosmicJoke]
    #7865087 - 01/11/08 01:38 PM (16 years, 21 days ago)

oops... :blush:

Oh well, good information, none-the-less.


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InvisiblePenguarky Tunguin
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Re: so my CPU (quad core) is running at 90c - help! [Re: kotik]
    #7866725 - 01/11/08 08:39 PM (16 years, 21 days ago)

I have the Intel q6600. Amazing little thing it is.

Everything I read online about it and on Newegg especially, said to not use the stock heatsink, so I purchased a $50 heatsink and while rendering in After Effects , which uses about 2.5 gigs of RAM and utilizes three of the processors at once and image correcting in photoshop simultaneously, it never went above 55c. I shit you not.

Buy a better heatsink.

http://www.newegg.com/Product/Product.asp?Item=N82E16835200026


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Offlinekotik
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Re: so my CPU (quad core) is running at 90c - help! [Re: Penguarky Tunguin]
    #7867086 - 01/11/08 10:15 PM (16 years, 21 days ago)

thanks, i ended up buying a new heatsink from newegg today at lunch.  guess ill have to wait another week before I get my baby running  :frown:


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No statements made in any post or message by myself should be construed to mean that I am now, or have ever been, participating in or considering participation in any activities in violation of any local, state, or federal laws. All posts are works of fiction.


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OfflineSeussA
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Re: so my CPU (quad core) is running at 90c - help! [Re: kotik]
    #7868038 - 01/12/08 03:03 AM (16 years, 20 days ago)

Did you get a "box" processor or OEM? I'm wondering if the crappy heatsink is the default one supplied by Intel in the box version, or if the vendor is taking an OEM cpu and adding a cheap heatsink. In the later case, we would loose the 3-year warranty that comes with the box version.

> guess ill have to wait another week before I get my baby running

The biggest downside to building your own hardware is waiting for all the parts to arrive.


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