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Geek Culture / Laptop Core Temperature

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Bozzy
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Location: Birmingham, UK
Posted: 2nd Apr 2009 14:11
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Hi,

I need your advice on this. I have a Dell XPS M1330 laptop. I'm getting these core readings from it, when it is idle:

Core 0: 77 c
Core 1: 74 c

Are these temperatures too high (they seem it for me), or is this normal?

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Quirkyjim
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Location: At my computer
Posted: 2nd Apr 2009 17:04
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When it's idle? They seem high, but I don't own a laptop so idk. I'd say to look in your manual. There should be something there.

That's what they WANT you to think...
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NeX the Fairly Fast Ferret
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Posted: 2nd Apr 2009 17:19 Edited at: 2nd Apr 2009 17:19
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My father's died after two years of idling at 83C. Heat is a serious problem and manufacturers seem oblivious. If you can't stick a 2.4gHz dual core in a plastic box without it melting down, don't sell a 2.4gHz dual core in a plastic box. Simple, right?

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David R
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Posted: 2nd Apr 2009 18:59 Edited at: 2nd Apr 2009 19:00
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That is rather hot - even for Intel chips (which I assume they probably are) those are pretty high idling temps.

For comparison, my Mac has idles of 32 and 30 most of the time (Core 2 Duo 3.06GHz). Since it's a very compact case and has minimal fan activity, it's probably comparable to a laptop - so yeah, I'd be a bit worried with your lappy


09-f9-11-02-9d-74-e3-5b-d8-41-56-c5-63-56-88-c0
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Seppuku Arts
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Location: Cambridgeshire, England
Posted: 2nd Apr 2009 19:03
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How do you check your CPU temperature? If you let me know I'll check what mine is currently at so you can compare.

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Bozzy
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Posted: 2nd Apr 2009 19:05
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http://www.alcpu.com/CoreTemp/

And thanks for the info so far guys

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Seppuku Arts
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Posted: 2nd Apr 2009 19:38 Edited at: 2nd Apr 2009 19:41
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I get:

Core #0 - 13 degress C
Core #1 - 7 degress C

(Safari and Steam are the only apps open)

It says Tj.max is 85 degrees C, as it doesn't change in numbers I'm assuming that's the max temperature that's safe for my system.

With unity running a game the most I get in Core#0 is 38 degrees and in core#1 25.


I'm running a gaming laptop, so it seems that you're over heating.

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NeX the Fairly Fast Ferret
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Posted: 2nd Apr 2009 19:42
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That can't be right, it's less than room temp.

Quote: "
Core 0 (AMD Athlon XP 2500+): 102C
"


Like it was last year. And the year before that. And the year before that. And the year before that.

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Benjamin
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Posted: 2nd Apr 2009 19:44 Edited at: 2nd Apr 2009 19:45
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It sounds like the temperature sensor (or that application) is broke, NeX. Otherwise that's a pretty dangerous temperature to have. I always check the temperature by looking in the BIOS settings myself.

Multisync - TCP Server/Client Multiplayer Plugin (DBP/DBCe)
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NeX the Fairly Fast Ferret
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Posted: 2nd Apr 2009 19:46
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Oh, it's not broken. It just runs that hot. I changed the heat gel, the fan, and when the same temp came up I checked it with an IR temp sensor and it is 102C. It just sticks there. Five and a half years in (and the CPU was second hand!), it's got to the point at which I don't really care if it breaks because then I've an excuse to buy a new one.

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Seppuku Arts
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Posted: 2nd Apr 2009 19:47 Edited at: 2nd Apr 2009 19:48
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I see, it's not reading it right. Bugger.

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Bozzy
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Posted: 2nd Apr 2009 20:13 Edited at: 2nd Apr 2009 20:16
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After speaking to what must have been half of India, when I finally spoke to the XPS support person, he told me to update my BIOS. They used to be A08, now they are A15.

And NOW the temperature is in the 90s!

Oh, and now I'm getting all sorts of problems. Like word not starting, Unity saying that it can't create a DX window.

And as I was typing, my screen just went a weird resolution... Argh

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bitJericho
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Posted: 2nd Apr 2009 20:55
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You need to get that temp down or it will fry.

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Monk
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Posted: 2nd Apr 2009 21:04
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All my 4 cores are running in between 30 and 40 degrees...

Just imagine though, 90 degrees, thats like having nearly boiling water hovering a cm above your lap.... Not nice!

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puppyofkosh
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Posted: 2nd Apr 2009 22:57
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It says my processor is not supported...
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NeX the Fairly Fast Ferret
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Posted: 2nd Apr 2009 23:06
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Try SpeedFan.

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mamaji4
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Posted: 2nd Apr 2009 23:46
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Generally it is the processer fan or bad ventilation that is the problem.
But I don't really trust 3rd party temperature measurement tools to be too accurate.
Sometimes a bad Power regulator IC, or a leaky capacitor, or even a dying Power Supply can cause temperature problems. This is because, improper voltages and currents can cause excessive Joule heating of the CPU cores. I'd check to see that the voltages are within their tolerance limits.
I once had a leaky Nichicon 2200 Microfarad BIOS capacitor that caused flaky operation, excess temperature and sudden reboots. Check your caps for any bulges. All caps above 800 Microfarads should be checked visually for bulging and leaking.
Electrolytic caps have a very low MTBF(mean time between failure) and are the first components to fry on the mobo, generally due to dirty power.
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