Sign in with
Sign up | Sign in
Your question
Solved

Replacing Thermal Compound...Maybe?

Last response: in Laptop Tech Support
Share
July 19, 2011 1:06:06 AM

Hey guys. I have had a SAGER NP8662 for about 2 years now. Lately it seems the CPU has been getting very hot, very fast. I am not positive what a "healthy" CPU temperature is but I have used Core Temp and Real Temp which both give the same readings, and, my CPU idles at 38-42C and under load I have seen it as high as 75C... which seems extremely hot to me. My CPU is Intel(R) Core 2 Duo P8700 2.53GHz. I have cleaned out my heat sink and fan(without taking them off). The fan was fairly clean but the heat sink did have a small bit of dust clumps inside. After doing this the temperature problem still persists. I use my laptop on a flat wooden desk and have paper folded underneath the back to give it more lift and more airflow underneath the laptop. I am not the best with computers and was wondering if there was anything else I could do. Do I need to replace the thermal compound for the CPU and GPU? I am a bit apprehensive about doing this, even though I have watched videos and it seems fairly straight forward. I am also not 100% sure where exactly my GPU is (Yes I am a noob, laugh it up :p ). If any of you have suggestions or advice they would be DEEPLY appreciated.



God Bless.

a b à CPUs
a c 244 D Laptop
July 19, 2011 6:55:42 AM

Replace the CPU thermal paste and see if it helps.
Also what were your idle/load temps before ?
m
0
l

Best solution

July 19, 2011 7:29:41 AM

New thermal compound can make a lot of difference.
I suggest looking at some nice artic silver. They are excellent thermal compounds.
Any compound will do but better to be safe than sorry :) 

Also try and check for dustbunnies, airflow is important.
Share
Related resources
July 19, 2011 9:21:28 AM

About 28-33 / 53-56 - idle / load temps, Maziar
m
0
l
a b à CPUs
a b D Laptop
July 19, 2011 1:39:38 PM

Could also be the fan failing. Since you have it apart to replace the thermal componend I would also replace the fan. Llow cost, and would rule out both at the same time.
m
0
l
July 19, 2011 7:18:10 PM

How much does a fan cost?
m
0
l
a b à CPUs
a b D Laptop
July 19, 2011 8:47:14 PM

Need to google around.
They really should only be about $10-> $15. Hard to find, spent about 10 Min looking.
found some for a Toshibia laptop - about 30- 40 Bucks, they have got to be kidding!!
m
0
l
July 19, 2011 11:47:07 PM

Ok I replaced the Thermal Compound on the GPU and CPU with arctic Ceramique. Is this the right compound to use? The compound on the CPU looked as if a portion was missing (kinda smeared looking) in the middle. The GPU looked all dried out and chunks were missing. It looked pretty bad. Now instead of idling at 39-42 it is idling around 29-30... seems to have helped a great deal :)  Haven't yet tried it under load.
m
0
l
a b à CPUs
a b D Laptop
July 20, 2011 12:27:48 AM

Yes that coumpond is great. Did you also redo the gpu?
m
0
l
July 20, 2011 12:37:33 AM

Yes I redid them both .. the gpu was the worst of the two. Could I have used Arctic Silver 5 ? I have tried it under load and I have only seen it get as high as 58C so far which is a nice improvement
m
0
l
a b à CPUs
a b D Laptop
July 20, 2011 12:48:59 AM

I think the Ceramique is slightly better than the Silver (But the Artic silver is the most recommend one).
m
0
l
July 20, 2011 4:22:40 AM

Hmmm.. but the arctic silver 5 has metal in it and the ceramique none... does this make a difference in the performance of the compound?

Edit: played under load for 5 hours straight and it did not go past 58... after one hour of the same before it would have been in the 70s :) 
m
0
l
a b à CPUs
a b D Laptop
July 20, 2011 1:28:04 PM

Dated, But:
.........................................Idle ...........Load
Arctic Silver Ceramique ...... 25.5C ...... 37.5C
Thermalright Generic ......... 24.5C ...... 38.5C
Arctic Silver 5 ....................25C .......... 39C
Shin-Etsu Micosi ................ 25C ......... 39C
Arctic Alumina ................... 26.5C ....... 41.5C
Nanotherm Silver Xtc .........26C .......... 43C

Not much diff in Performance. Had heard 5 for CPU, Ceramique for everything else. I think that after say a year the Ceramique is more permanant and harder to remove than 5.

Yes silver is a great conductor, but in thermo compund such as artic silver 5 it is VERY smal partiticales and they are "coated" to prevent electrical conductivity. Note the last one on the list also contains silver.
m
0
l
July 20, 2011 10:26:39 PM

Artic silver has been shown in tests to be less effective than the default manufacturer paste. I suggest MX-4 or IC diamond 24 carrat

Post Script:
Intel recommends temps below 95C
General "Healthy" temps are below 80C
m
0
l
July 21, 2011 12:12:22 AM

Thank you Chaorce :D  How do I tell what fan I need without opening my computer up?
m
0
l
July 21, 2011 3:22:59 PM

Hmmm.... usually laptop vendors only make one version of a fan for each case/motherboard. Your best bet is to contact tech support (I always wanted to be devil's advocate), I already submitted a query for you, I'll post up when they reply!

UPDATE:
Here is the transcript from tech support
Hi Chris,

Thanks for your email.

All accessories directlyfrom manufacture and it is the only fan for NP8662. We don’t know detail of the fan itself.

We do carry the Fan forNP8662 and it cost $35 + shipping.

BTW, can I have yourlaptop serial no# which like this “8XXXSCXXXXXX” on the bottom of your machine?







Daniel

Sager computer

18005 Cortney Ct

City of Industry, CA 91748

Now, just send your own tech support email to techsupport@sagernotebook.com with your model # and request an order for the fan
m
0
l
July 21, 2011 10:10:49 PM

Hmmm Ty
m
0
l
a b à CPUs
a c 244 D Laptop
July 22, 2011 5:55:00 PM

So did you contact them ?
m
0
l
July 23, 2011 7:04:42 AM

Not yet still continuing my 4 day research for the best laptop cooler... :p 

Forum Laptops & Notebooks : General Discussion - Need help picking a laptop cooler
m
0
l
June 26, 2012 7:40:21 AM

Best answer selected by Matt1990.
m
0
l
!