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Thermal compound application on laptop CPU?

post #1 of 4
Thread Starter 
I was wondering if re-applying Thermal compound such as IC Diamond is any different on a laptop CPU and chipset than it is on a desktop CPU or chipset.

I am having to tear apart my dad's company's Dell Inspiron 1545 to replace the charger board, and I have to remove the heatsink assembly that cools the CPU and chipset.


If anyone has any handy resources or information on cleaning the old compound and applying the new for the laptop chips, please let me know. Thanks!
The Blue Wolf
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The Blue Wolf
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post #2 of 4
its just like replacing TIM on a normal cpu (except they might have thermal pads or something) did it on my laptop and used AS5, helped temps.... just use some high concentration isopropyl alcohol (ideally 90+%) and then put it on! might be a little pain if they have 1 heatsink to cool multiple chips on the board (usually do so just be gentle with it as to not have the TIM spread incorrectly)
intel-a-thon
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post #3 of 4
You will get much better temps applying a good thermal compound to a laptop CPU. In my work, I change out laptop motherboards daily. I just put a small dot right in the middle of the CPU. I would recommend sticking with a thermal pad for the GPU though (for normal laptops, not ones with discreet GPU's). The way many laptop heatsinks are made, the GPU sink is usually just an addition to the CPU sink and doesn't tighten down as well. Clean the original TIM or pad residue with isopropyl alcohol first as mentioned.
Low Tide
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Low Tide
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post #4 of 4
Thread Starter 
Okay, so the chip below the CPU has a thermal pad, do I leave it in place then?

*EDIT*

I went ahead and left the thermal pad in place, it was on the chip still anyway, and gave no issues on removing the heatsink.

Good news is after replacing the charger board it works well.

Temps, with out doing anything but let Vista sit with HWMonitor, are...

Intel pentium T4200 being around 50 C and the "THM" around 58 to 62C currently.
Edited by Hoodcom - 2/9/11 at 4:54pm
The Blue Wolf
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The Blue Wolf
(16 items)
 
   
CPUMotherboardGraphicsRAM
Intel i7 4770K - Delidded Gigabyte Z87X-OC MSI GTX 780 Ti  G.SKILL Ripjaws X Series 32GB - F3-2133C9Q-32GXH 
Hard DriveHard DriveOptical DriveCooling
Samsung 850 Pro 512GB - OS Swamsung 850 EVO 500GB - Software/Games LG Bluray Burner Noctua D14 with NF-F12 IndustrialPPC 2000 PWM F... 
OSMonitorKeyboardPower
Windows 7 Ultimate 64-bit Dell U2713HM IBM Model M Corsair AX1200 
CaseAudioAudioOther
CoolerMaster HAF X Blue Edition - Custom Side P... Creative Sound Blaster ZxR Cakewalk By Roland UA-25 EX Epiphan DVI2PCIe Capture card 
CPUGraphicsRAMHard Drive
Intel Core i7 3610QM Nvidia GTX 675m Crucial 32GB DDRIII PC12800 (4 x 8GB) 240GB Mushkin mSATA 
Hard DriveHard DriveOptical DriveOS
64GB SanDisk mSATA 750GB Hitachi 7,200RPM 6x Blu-Ray Writer 8x DVDR/W Super Multi Windows 7 Pro x64 
MonitorKeyboardAudio
17.3" Chimei N173HGE-L11 Panel Steelseries LED Backlit DynaAudio Speakers 
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