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Turbo boost stops when CPU reaches 76°C

Last response: in Systems
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June 1, 2014 9:54:00 AM

For some reason, that's happening. Intel says this i7-4500U can reach 100°C, so why won't turbo boost keep on?
Is there any way to force the processor to stay in turbo boost or to prevent the loss of frequency?
a c 110 à CPUs
June 1, 2014 9:57:43 AM

Yeah, cool it.
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a c 151 à CPUs
a b å Intel
June 1, 2014 10:26:34 AM

There is no other idea. It's getting to hot so it slows down. Being above 80c is not recommended hence it turns off turbo to not get that hot. 100c is when it turns off to protect itself but it'll throttle down to 800mhz ~90c to try to cool down so it doesn't have to shut off.
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June 1, 2014 10:46:39 AM

A simple thermal paste should solve it, then?
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a c 110 à CPUs
June 1, 2014 10:59:11 AM

Gandalf the Golden said:
A simple thermal paste should solve it, then?


If it was a bad mount, it could help. If it was pasted and mounted correctly already then it's not going to help really maybe 3-5'C tops.

I will say that it is worth inspecting, since it is such a simple fix.
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June 1, 2014 11:12:30 AM

I don't think it was a bad mount, as I didn't do it myself - I bought from Dell (and sorry, forgot to say, it's a laptop).
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a c 110 à CPUs
June 1, 2014 11:14:30 AM

Send it back to Dell.
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a c 151 à CPUs
a b å Intel
June 1, 2014 1:19:02 PM

If it's a dell inspiron like google is coming up with, sending it to dell makes no difference. It's a known issue, it gets hot and throttles, many poorly designed laptops do. You could try better tim, you can try a cooling pad, turn up the ac, whatever it takes to cool it down.
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a c 110 à CPUs
June 1, 2014 1:22:23 PM

Cooling pads do make a huge difference, even the passive ones.
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June 2, 2014 2:33:05 PM

Hmmm... This may be a idiot question, but when we talk about thermal past and cooling pad aren't we talking about the same thing? I mean, that rectangle equipped (generally) with one or two fans...
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June 3, 2014 11:29:31 AM

I thought they were the same thing... I meant the cooling pad from the beginning. I did a translation mistake...
A information that I'd like to share: Yesterday, the thermometers reached 15°C (59°F)... talking about Brazil, that's quite cold, we have normally 20-33°C! And I noticed that the processor wouldn't reach 75°C even without capping my FPS, as I usually do.
Therefore, I think that's what I need... around 15°C. Do you think a simple cooling pad will do the job?
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a c 110 à CPUs
June 3, 2014 11:33:07 AM

Gandalf the Golden said:
I thought they were the same thing... I meant the cooling pad from the beginning. I did a translation mistake...
A information that I'd like to share: Yesterday, the thermometers reached 15°C (59°F)... talking about Brazil, that's quite cold, we have normally 20-33°C! And I noticed that the processor wouldn't reach 75°C even without capping my FPS, as I usually do.
Therefore, I think that's what I need... around 15°C. Do you think a simple cooling pad will do the job?


Yes, any aluminum piece of 5mm sheet metal will be fine.

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June 3, 2014 12:44:14 PM

So a simple one will be fine or not? I can't figure out how ironical you were (lol!).
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a c 110 à CPUs
June 3, 2014 12:45:35 PM

Gandalf the Golden said:
So a simple one will be fine or not? I can't figure out how ironical you were (lol!).


True statement.

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June 3, 2014 12:54:27 PM

So I'm getting a $20 pad... it should help.
Thank you guys a lot.
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