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Question

Laptop cooling - customized system

by GhoundS / June 6, 2017 9:44 AM PDT

Hello All,

I have a problem with laptop cooling and looking for some custom solution. I have tried high-speed fans, cooling pads, replaced CPU glue - nothing helps. Even if the room temperature is +18C, my laptop goes too hot and switches off. High-speed fan helps, but it is too noisy.
Recently I have found serpentine heat exchangers (here: http://www.kaltra.de/microcondensers ) and consider the possibility to build a compact cooling system based on microcompressor and these coils. My question is about any experience with such a system, maybe someone already tried this kind of cooling? Which refrigerant is better to use?

Thanks in advance!
Jürgen

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All Answers

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Answer
No, and never. Why?
by R. Proffitt Forum moderator / June 6, 2017 10:02 AM PDT

All the current gen gaming laptops seem fine here. There are exotic laptops that are rather horrible things that folk buy (I don't know why) and would need more than a cooling pad.

For me, a simple cooling pad is all I ever needed.

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Any laptop becomes hot...
by GhoundS / June 6, 2017 10:12 AM PDT
In reply to: No, and never. Why?

Thanks for the answer! I have tried another laptop and it becomes hot also. So my goal is to build the cooling system which will fit any other laptops. I know that the above mentioned microcompressor and serpentine coils are used for laser cooling and cooling of electronics and want to try it.

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There is no try.
by R. Proffitt Forum moderator / June 6, 2017 11:11 AM PDT

You must do this to see if it works for your machine.

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Experiment
by GhoundS / June 6, 2017 11:50 AM PDT
In reply to: There is no try.

I experienced that in case the air inlet temperature will be 10'C lower, notebook works okay even under heavy load with 3D CAD and running renderings. Tried outdoor at ambient +9'C

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Here, the simple cooling pad suffices.
by R. Proffitt Forum moderator / June 6, 2017 12:06 PM PDT
In reply to: Experiment

Remember you are claiming it is overheating. Not that it gets warm. This is where we must use the words with care.

Overheating is where the machine fails, locks up, reboots and such. Laptops do run temps higher than most desktops. I find folk that are used to desktop temps call their laptop overheating when it is just warm.

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In details
by GhoundS / June 6, 2017 12:14 PM PDT

With external fan which is noisy notebook overheats and switches off in minutes after I started renderings, for example. With fan it may work okay longer, but I need to watch exhaust air temperature and pause processes when needed for cooling. Exhaust air temperature is about +65'C (as per fan temperature probe)

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Sorry
by GhoundS / June 6, 2017 12:16 PM PDT
In reply to: In details

WithOUT external fan... ... ...

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Hold my beer.
by R. Proffitt Forum moderator / June 6, 2017 12:24 PM PDT
In reply to: Sorry

Here's the one my son uses on his Asus ROG
https://www.amazon.com/gp/product/B00WRDS8H0/

No fans. Really works!

You've posted a lot of replies and at this point I worry about your laptop. Is it a dud? Is there some story not told how it came to be overheating?

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My laptop does not get hot.
by R. Proffitt Forum moderator / June 6, 2017 11:17 AM PDT

It's a run of the mill Asus ROG with the usual 960m.

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