Laptop temperature increased after cleaning and replacing thermal paste?

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vijay_001

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Sep 21, 2011
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Hello. I decided to clean my laptop and the thermal paste last month because it was almost 2 years since my laptop was cleaned (by service center folks in 2014).

I opened my laptop, cleaned every bit of it. The fan heatsink was full of black dust. I cleaned it including the fan.

I replaced the thermal paste on the CPU and the thermal pad with this thermal paste - http://ecx.images-amazon.com/images/I/61ZGzgbhkvL._SL1200_.jpg
(Cooler master V1 IC thermal paste)

Before I cleaned my laptop, Min temp. was 48 C and max temp was 66 C

Now after replacing the thermal compound the min temp is 51 C and max is 73 C

What is wrong? I used the poo method - http://dbclipart.com/wp-content/uploads/2016/05/Poop-cartoon-poo-clipart.jpeg

And the laptop temperature increases significantly when I play 1080p videos.

Please anyone can suggest anything? Is the thermal paste bad? Or replacing the thermal pad on the GPU with the thermal paste a bad choice?

 
Solution
V
Okay, finally I figured it out. After the temperature increased, I ordered Arctic MX-4 Thermal Compound - http://ecx.images-amazon.com/images/I/519SY4zgtzL._SL1200_.jpg Decided to give it another go.

Again disassembled my laptop, removed the heatsink and cleaned the previous thermal paste (Cooler master V1 IC) with 99% isopropyl alcohol and applied the new MX-4. Cleaned the thermal paste I applied on the GPU and applied a new silicon thermal pad on it (originally silicon pad was used). Assembled it.

Now I get minimum temp of 38 C and maximum 60 C under 100% load.

The Cooler master V1 IC was the culprit. It was a cheap paste and quality was bad too. Bought MX-4 from people's recommendation on tomshardware. Thanks.

Just to summarize...
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dbratton54

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Yeah, if the temps were in the range you state, then messing with the CPU cooler at all was a bad choice. How did you remove the thermal pad? How much thermal compound did you use? That poop picture is useless, btw.
 
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vijay_001

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I used Q tips dipped in rubbing alcohol (99%). The thermal pad easily came off.
And yes the heat sink is attached as it was before with 4 spring screws. The fan is running too.
 
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vijay_001

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I used Q tips dipped in rubbing alcohol (99%). The thermal pad easily came off.
I used almost 4 cubic mm of thermal paste on each.
 
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vijay_001

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Sep 21, 2011
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18,790
Okay, finally I figured it out. After the temperature increased, I ordered Arctic MX-4 Thermal Compound - http://ecx.images-amazon.com/images/I/519SY4zgtzL._SL1200_.jpg Decided to give it another go.

Again disassembled my laptop, removed the heatsink and cleaned the previous thermal paste (Cooler master V1 IC) with 99% isopropyl alcohol and applied the new MX-4. Cleaned the thermal paste I applied on the GPU and applied a new silicon thermal pad on it (originally silicon pad was used). Assembled it.

Now I get minimum temp of 38 C and maximum 60 C under 100% load.

The Cooler master V1 IC was the culprit. It was a cheap paste and quality was bad too. Bought MX-4 from people's recommendation on tomshardware. Thanks.

Just to summarize -

Original state -
Old thermal paste on CPU
Old silicon thermal pad on GPU
Full of dust and dirt
Min temp - 48 C
Max temp - 66 C

After 1st cleaning -
Cooler master V1 IC thermal paste on CPU
Cooler master V1 IC thermal paste + a copper shin on GPU
No dust or dirt
Min temp - 51 C
Max temp - 73 C

After 2nd cleaning -
Arctic MX-4 thermal paste on CPU
New silicon thermal pad on GPU
No dust or dirt
Min temp - 38 C
Max temp - 60 C
 
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