No fan core2 duo

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viper110110

New Member
I have a core 2 duo e6400 (I think, not completely sure about e6400) at 2.13 ghz. If I unplugged the fan, how high would my temps go as long as I am idle? I know I can't get an exact number, but would it be dangerous?

I am at 41 C currently, playing music and with 3 firefox windows open
 
viper110110 said:
I have a core 2 duo e6400 (I think, not completely sure about e6400) at 2.13 ghz. If I unplugged the fan, how high would my temps go as long as I am idle? I know I can't get an exact number, but would it be dangerous?

I am at 41 C currently, playing music and with 3 firefox windows open
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I don't understand why you would won't to unplug your fan. It would probably get to hot and shut your computer down but you can't know until you do it. I don't recommend you try it could damage your CPU.
 
Yeah, don't do that.

Your temps would rise quickly and the computer would hopefully shut down before it damaged the CPU.
 
what cooler? if its stock cooler then no, but if its something like the true, or promilatech megahelms, then you can probably do it
 
This can only be done like said above with a large heatsink because they do that on media centres and use core 2 duo's but they normally have it inline with a rear case fan so it makes it pull the heat away. I tryed it on my old computer with a celeron and the temps reached 102oC before it shutdown. And also why would you want to when you can buy quiet coolers and run the fan at a slow speed?
 
why not try it? As long as the heatsink is on there the temps wont rise fast enough to not have time to stop. I would guess that idle temps would run about 5-10 deg warmer. If your concerned about fan noise then try a fan speed application like speedfan and slow the fan speed down to about 1/2 or so. I've noticed in Speedfan that if you slow the fan speed down to 0% in the program that just relates to about 1/2 of the fans maximum speed. I've tried unhooking the fan on my core 2 duo and the temps did slowly rise but I didnt do it long enough to see were the temps would settle. Its when the heatsink and fan is removed were the cpu will reach overheating temperatures in 30 seconds or less. I tried removing the heatsink and fan from an AMD Opteron and turning the computer on while touching the cpu face and the cpu went from cool to burning hot in about 15 seconds.
 
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As long as your using a heatsink (stock or not) you should be fine to at least try it. Most all processors are very good about under-clocking and protecting themselves against damage. I would suggest using something more than stock though...

Heck, if you don't mind sacrifcing some performance, run it in power saving mode and lock the frequency at something low.
 
Just search for a realy silent cpu fan its its noise thats irritating you.....i wouldnt turn it off even on my old e6300.

thats why they put fans on them in the first place :P
 
konsole said:
why not try it? As long as the heatsink is on there the temps wont rise fast enough to not have time to stop. I would guess that idle temps would run about 5-10 deg warmer. If your concerned about fan noise then try a fan speed application like speedfan and slow the fan speed down to about 1/2 or so. I've noticed in Speedfan that if you slow the fan speed down to 0% in the program that just relates to about 1/2 of the fans maximum speed. I've tried unhooking the fan on my core 2 duo and the temps did slowly rise but I didnt do it long enough to see were the temps would settle. Its when the heatsink and fan is removed were the cpu will reach overheating temperatures in 30 seconds or less. I tried removing the heatsink and fan from an AMD Opteron and turning the computer on while touching the cpu face and the cpu went from cool to burning hot in about 15 seconds.
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Not true at all. If there's no air movement through the heatsink, your CPU will over heat. No if, ands or buts. The only circulation it will get is through convection, which is super slow and useless basically.

Also, if you remove your heatsink, your CPU will overheat in a matter of a second or two. It will burn up before you can even turn off your computer unless it automatically shuts off or downclocks itself. I've done it and the CPU caught fire before it could even post.
 
Motoxrdude said:
I've done it and the CPU caught fire before it could even post.
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Been there...done that... :o

But the other stuff you said... I beg to differ... A heatsink dissipates the heat from the processor. Yes, without a fan moving the air around the processor it'll become much warmer. However, it is possible to cool a processor with passive cooling. If it's large and efficient enough, it'll draw enough heat away from the processor.
 
Yeah, passive coolers are shaped differently however. The fins that are spaced out further apart with much larger surface area overall. It's possible, but not with a heatsink designed to run with a fan.
 
Hmm...if my i7 wasn't so difficult to get to, I'd see how it'd work without the fan for a bit... None of my other machines have decent heat sinks (stock :P) or I'd see how they performed passively...
 
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