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[SOLVED] Pimped T440p and heat

T430-T490, T530-T590 Series
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Peter Linu
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[SOLVED] Pimped T440p and heat

#1 Post by Peter Linu » Mon Sep 09, 2019 3:17 am

Hi RealBlackStuff,
My mods are quite similar to yours (CPU, RAM, SSD, Ultra bay. It brought the standing temperature to around 53C...which is OK. I then loaded an M.2 drive in the spare bay and the temperature stablised at about 63C. My electronics background informs me that heat and electronics rarely mix, so I took it out.
Question: is there a way to fit an external heat sink as the thought of listening to a whirring fan doesn't fill me with joy.

Question 2: I have my replacement screen waiting to be fitted. Is there a way of increasing the performance of the graphics hardware to give the pale graphics some 'zing'? I know any solution will involve heat production and that's why I asked question 1.
Last edited by Peter Linu on Tue Oct 29, 2019 4:10 pm, edited 1 time in total.

RealBlackStuff
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Re: Pimped T440p and heat

#2 Post by RealBlackStuff » Mon Sep 09, 2019 4:16 am

Under normal (for me) load with only a browser (Waterfox, with never more than 6-10 tabs), email (Thunderbird), Windows Explorer, Office 2010 Excel and/or Word, Foxit PDF reader and occasional Windscribe VPN open, my average temperatures run between 37-48 C.
Occasionally I get a spike in the 50s, but that's about it.
Currently I'm using Hydronaut thermal paste. For a next time I have Kryonaut ready.
My T440p has only integrated GPU with integrated fan, which I hardly ever hear.
Apparently the discrete fan might have a slightly better cooling.

You could also try undervolting with Throttlestop:
https://thinkpad-forum.de/threads/20182 ... dervolting
http://forum.notebookreview.com/threads ... de.531329/

As for screen, mine has the FHD LG LP140WF3-SPD1 with 125% scaling under W7-Pro/SP1 64-bit.
I don't need any improvement, but applying a profile might bring some for you, see https://www.thinkscopes.com/2014/08/24/ ... thinkpads/
Lovely day for a Guinness! (The Real Black Stuff)
Lenovo: X240, X250, T440p, T480, M900 Tiny.

PS: the old Boardroom website is still available on the Wayback Machine
.

Peter Linu
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Location: Sydney, Australia

Re: Pimped T440p and heat

#3 Post by Peter Linu » Mon Sep 09, 2019 7:17 am

Are you saying that Kryonaut/Hydronaut could make a difference of 10 degrees C?

RealBlackStuff
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Re: Pimped T440p and heat

#4 Post by RealBlackStuff » Mon Sep 09, 2019 9:38 am

Compared to run-of-the-mill stuff, yes.
Kryonaut is not cheap, but currently the best non-metal one.
Kryonaut: thermal conductivity = 12.5 W/mK (= Watts per square meter of surface area)
Hydronaut: tc = 11.8 W/mK
The run-of-the-mill Arctic Silver 5: tc = 6.0 W/mK (less than half...) And takes 200 hours to settle in, YIKES!
Lovely day for a Guinness! (The Real Black Stuff)
Lenovo: X240, X250, T440p, T480, M900 Tiny.

PS: the old Boardroom website is still available on the Wayback Machine
.

Peter Linu
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Location: Sydney, Australia

Re: Pimped T440p and heat

#5 Post by Peter Linu » Tue Sep 10, 2019 7:55 pm

RBS, top of the mornin' to ya,
Back to heatsink issue. I'm toying with the idea of fitting an external heatsink via a copper cable out of the ventilation holes at the back. Am I dreaming or do you think it's possible? I don't intend to move the T440p from this desk.

axur-delmeria
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Re: Pimped T440p and heat

#6 Post by axur-delmeria » Wed Sep 11, 2019 12:20 am

Peter Linu wrote:
Tue Sep 10, 2019 7:55 pm
RBS, top of the mornin' to ya,
Back to heatsink issue. I'm toying with the idea of fitting an external heatsink via a copper cable out of the ventilation holes at the back. Am I dreaming or do you think it's possible? I don't intend to move the T440p from this desk.
Copper cable?

In other high-powered laptops, some have attached additional copper plates to the heatsink, increasing its heat capacity, and lowered temps as a result. They're usually attached using thermal epoxy, though if you want to be able to remove it later, a 50-50 mix of regular thermal paste and thermal epoxy could work.

A more drastic mod is a watercooled setup, like what this guy did: https://www.youtube.com/watch?v=uhw1n1N0hD0.
Planned Purchase: T480s i5-8350 FHD Touch
Impulse Buy: Thinkpad not named for safety reasons :lol:
RIP: X220 4291-C91 X61 7676-A24 760XD-U9E :cry:

RealBlackStuff
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Re: Pimped T440p and heat

#7 Post by RealBlackStuff » Wed Sep 11, 2019 1:43 am

For one, I never play games on a laptop, nor do I run any 'intensive' programs on it.
That's what I have a desktop for.
Secondly, if temps are too high, check/clean the fan and replace thermal paste.
If still too hot, try undervolting.
If still too hot, flog it.
Lovely day for a Guinness! (The Real Black Stuff)
Lenovo: X240, X250, T440p, T480, M900 Tiny.

PS: the old Boardroom website is still available on the Wayback Machine
.

Peter Linu
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Joined: Sat Jul 06, 2019 3:10 am
Location: Sydney, Australia

Re: Pimped T440p and heat

#8 Post by Peter Linu » Tue Oct 29, 2019 4:09 pm

Hiyall,
I installed an 'Opolar' exhaust fan on the output vent. There was a dramatic temperature reduction. From ~80s to ~30s. Problem solved!
No need for heat sinks, internal fans, etc.

This is what such a cooler looks like:
Image
https://www.amazon.com/LC05-Cooling-Aut ... B00XKU47Y2

RealBlackStuff
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Re: [SOLVED] Pimped T440p and heat

#9 Post by RealBlackStuff » Wed Oct 30, 2019 2:43 am

Good for you to have found it.
But it really does not solve the basic, underlying heat problem.

BishopBlack
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Re: [SOLVED] Pimped T440p and heat

#10 Post by BishopBlack » Mon Nov 04, 2019 9:57 pm

Peter Linu, do those types of coolers you posted there actually help with heat?
Modding: ThinkPad T420i & Compaq Presario CQ57-339WM

Using: Modded Dell Precision M6600 w/ an overclocked 4gb GTX 680m, Core i7 2960XM, 32gb DDR3 RAM & 240gb Kingston A400 SSD + 500gb 7200 RPM Seagate 2.5" HDD

Repairing: Gateway NE71b06u & HP Pavillion DV6000💻

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