Why is my cpu running hot?

772 Views 20 Replies 7 Participants Last post by Cerberus, Mar 12, 2009

Cerberus

Discussion Starter · Mar 10, 2009

I just got a 4000+ that i pulled out of my moms old computer.

I threw it into mine applied a little dot of thermal paste put my heatsink on went into bios
it said i was idling at 36c

i was like uh ok....

so i just booted into windows and i opened up Everest. it said the same thing.
I tried core temp and it said 11c.... same thing with hwmonitor. not sure what to do. i reseated multiple times and i reapplied 3 diff kinds of thermal paste. any suggestions?

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Ictinike

· #2 · Mar 10, 2009

BIOS reset?

Same cpu in there prior to you swapping this one in?

It's always best to clear CMS before swapping unless they are default settings. If you have any cpu specific settings for an overclock it might cause issues.

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Cerberus

Discussion Starter · #3 · Mar 10, 2009

Quote:

Originally Posted by Ictinike

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BIOS reset?

Same cpu in there prior to you swapping this one in?

It's always best to clear CMS before swapping unless they are default settings. If you have any cpu specific settings for an overclock it might cause issues.

as far as i have checked it was still stock. i will do i bios reset anyways. +rep

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BikePilot

· #4 · Mar 10, 2009

36c isn't all that hot for that chip. 11c, not likely unless you've got an extremely cold room

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gerikoh

· #5 · Mar 10, 2009

that temp is normal. it's still 120nm afterall. i have an old sempron and it idles at 40c. don't worry mate.

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logan

· #6 · Mar 10, 2009

Yep, for a older chip with stock cooling, thats actually doing quite well. The 11c reading is obviously off, as 11c is well under ambient temps for most people.

More importantly though, what temps are you seeing under load?

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Cerberus

Discussion Starter · #7 · Mar 10, 2009

well i just found it odd because my 3800+ overclocked to 2.4 would go 45 under load. this is stock and its at 38 idle.

And my room temp is like 39f right now. so my ambients are low.

logan

· #8 · Mar 10, 2009

Quote:

Originally Posted by Cerberus

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well i just found it odd because my 3800+ overclocked to 2.4 would go 45 under load. this is stock and its at 38 idle.

And my room temp is like 39f right now. so my ambients are low.

haha, you like your room as cool as I do.

So your 3800 would idle alot lower? This makes things different. I'm assuming that the HS is the same, which is why this is weird.

I know you reset the BIOS, but have you confirmed that the Vcore is at the correct level? have you reseated the HS yet? Did the fan get plugged back in (I know, stupid question, but it can happen... and I've seen fan wires get cut when you close the case).

And what are the load temps right now?

Good luck

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Cerberus

Discussion Starter · #9 · Mar 10, 2009

Quote:

Originally Posted by logan

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haha, you like your room as cool as I do.

So your 3800 would idle alot lower? This makes things different. I'm assuming that the HS is the same, which is why this is weird.

I know you reset the BIOS, but have you confirmed that the Vcore is at the correct level? have you reseated the HS yet? Did the fan get plugged back in (I know, stupid question, but it can happen... and I've seen fan wires get cut when you close the case).

And what are the load temps right now?

Good luck

Ok, The vcore is 1.29 i believe. No sure on the load temps right now (at school) I reseated the HS 3-4 times reapplied thermal paste several times. Tried multiple types of thermal paste. Fan is plugged in and spinning. It is the same HS. when my 3800+ was stock speeds i could get around 12-15c idle.

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logan

· #10 · Mar 10, 2009

Quote:

Originally Posted by Cerberus

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Ok, The vcore is 1.29 i believe. No sure on the load temps right now (at school) I reseated the HS 3-4 times reapplied thermal paste several times. Tried multiple types of thermal paste. Fan is plugged in and spinning. It is the same HS. when my 3800+ was stock speeds i could get around 12-15c idle.

Ok.

When you get back, check the load temps if you can.

Other things to think about. BIOS is usually a partial load (somewhere around a 60-80% load) so the 38c in BIOS sounds about right, while the 15c in coretemp could make sense. Do you remember what your BIOS temps were for the 3800?

Also, is it possible that the IHS is terribly warped or something like that? that could make it really hard to get the HS to sit right, and would mess up the temps alot.

Good luck

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Vagrant Storm

· #11 · Mar 10, 2009

Seriously...for that chip it is perfectly fine as long as it is under 60Â°. I'd keep mine under 50Â° just to make me feel better, but I've found those CPUs that due to bad cases, dead fans, and dust had been running in the 70Â° range and probalbly had been that way for quite some time.

LOL and how are you getting room temps that cold? No indoor plumbing? a few degree drop and pipes will be bursting.

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Cerberus

Discussion Starter · #12 · Mar 11, 2009

Ok i ran orthos al night and i got a max temp of 48c according to everest.
I guess this is fine. i just wanted to OC. for some reason this is not right. my load temps on my 3800+ OCed werent even this high.

Cerberus

Discussion Starter · #13 · Mar 11, 2009

Quote:

Originally Posted by logan

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Ok.

When you get back, check the load temps if you can.

Other things to think about. BIOS is usually a partial load (somewhere around a 60-80% load) so the 38c in BIOS sounds about right, while the 15c in coretemp could make sense. Do you remember what your BIOS temps were for the 3800?

Also, is it possible that the IHS is terribly warped or something like that? that could make it really hard to get the HS to sit right, and would mess up the temps alot.

Good luck

AFAIK The IHS is normal. if coretemp is right i wonder why Everest still says 38c.

after i shut Orthos down this morning my idle temps went down to 30c no lower.

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Biatch

· #14 · Mar 11, 2009

In your situtation, just trust the BIOS monitor.

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Cerberus

Discussion Starter · #15 · Mar 11, 2009

Quote:

Originally Posted by Biatch

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In your situtation, just trust the BIOS monitor.

its the same as the everest temp.

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Cerberus

Discussion Starter · #16 · Mar 11, 2009

Boatloads of rep given

logan

· #17 · Mar 11, 2009

Quote:

Originally Posted by Cerberus

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AFAIK The IHS is normal. if coretemp is right i wonder why Everest still says 38c.

after i shut Orthos down this morning my idle temps went down to 30c no lower.

Sometimes temp sensors just dont like certain programs. Speedfan will often report sub zero temps on a few sensors (like "empty" sensors... I had one on my old rig that was constantly -128c).

When you touch the HS, does it feel as warm as it should for those temps? Thats just a simple way to see if the heat is actually getting to the HS. If it feels cool to the touch, then you have a seating problem, or a reporting problem. If it is warm, then you're sensors are likely reporting the right thing.

So your idle temps went down this morning (was it the ambient that went down, or was it the TIM curing?).

If you're on stock cooling, your temps look pretty close to normal, I wonder if your old CPU didn't have a faulty sensor, which would make the NEW cpu look crazy when you compare the two.

Good luck

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Cerberus

Discussion Starter · #18 · Mar 11, 2009

I was wondering the same thing. It was pretty cold in my room this morning. When i touch the HS it is kinda warm at the base.

logan

· #19 · Mar 11, 2009

How warm does it feel? "Kinda warm" like... as warm as body temp? 37c is just a little lower than body temp, so does it feel about as warm as that? Or is it much warmer?

Cerberus

Discussion Starter · #20 · Mar 11, 2009

Quote:

Originally Posted by logan

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How warm does it feel? "Kinda warm" like... as warm as body temp? 37c is just a little lower than body temp, so does it feel about as warm as that? Or is it much warmer?

almost body temp.

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