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Windows 7: Still getting high temps after repasting processor

14 Jul 2012   #11
gregrocker

 

Thanks David. I am concerned about that because at the time I was focused on not getting too much. I put less than the amount of a pea spread lengthwise on an area about the size of a postage stamp, then spread it to all corners, relied on clamps to do the rest.


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14 Jul 2012   #12
DavidE

Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64
 
 

Ok, well that sounds good.

And - you're sure the clamps are secured correctly!
My System SpecsSystem Spec
14 Jul 2012   #13
gregrocker

 

It was three or four heavy metal screws which I tightened fully.
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14 Jul 2012   #14
DavidE

Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64
 
 

Well, you could do the cleaning you mentioned and see if that helps.

You could also check the fan RPM to see that looks ok.
I use HWMonitor - it displays my desktop fan speeds.

CPUID - System & hardware benchmark, monitoring, reporting
My System SpecsSystem Spec
14 Jul 2012   #15
gregrocker

 

Great idea. I guess that's what SpeedFan is for as well.

I wonder if the CPU is advanced enough to show it? What speeds should I be looking for?
My System SpecsSystem Spec
14 Jul 2012   #16
DavidE

Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64
 
 

Yea, just have to try program(s) and see if they display fan speeds.
Depends what sensors are built into the laptop, and what these programs are programmed to display for that laptop.

I don't have a laptop, so i have no idea what fan speeds to expect.
If it's low hundreds...that sounds real slow to me.
My desktop fans are running 900 - 1700 rpm now.
In the winter they run 500 - 950 rpm...
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14 Jul 2012   #17
gregrocker

 

This is weird. For the past hour I've been streaming video on the laptop with temps staying around 50c.

Only difference from yesterday is we have the a/c on in the house and I elevated the rear a full inch since the vents are curved underneath the back side. Could either cause this?

No fans showing in SpeedFan. I also do not feel the exhaust as much today although there is heat emanating from the exhaust vent. Is the fan heat activated?

Here is the CPUID output after an hour's streaming.


Attached Thumbnails
Still getting high temps after repasting processor-capture.png  
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14 Jul 2012   #18
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

Hum Greg what thermal are you using? I use Arctic Silver for most of my stuff but that nano diamond (Antec Formula 7) and the Noctua NT-H1 stuff is good too. The latter are very stiff mind you and take some forceful applying. I have been looking round for that thermal that Toshiba recommend in their manuals - Shin etsu but difficult to find.

I am assuming that you use the cleaning gear before applying and am also thinking maybe the fan is failing or even the pipes?

There is also that new stuff Indigo the only thing I don't really like the sound off is letting "burn" in at a reasonably high temp. Indigo Xtreme™ - High Performance Thermal Interface for Overclocking Applications thee again it is really meant for desktops I suppose.

If you need a spreader I found those plastic artists spatulas ideal (very cheap at those dollar shops) as they come in different shapes and get into spots hard to reach with conventional spreaders -like those small NB chips.


Attached Thumbnails
Still getting high temps after repasting processor-spatulas.png  
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14 Jul 2012   #19
gregrocker

 

Don't laugh! I used Radio Shack's own brand which is all they had, spread it with my finger in Plastic Wrap. Cleaned a lot of gunk from both heat sink and CPU with alcohol swabs til it was shiny.

I thought the copper exhaust pipe through the fan was all one piece so didn't know to clean the vents within. But there wasn't much dust at all anywhere so I wasn't really looking for it. But for all I know it's clogged like in the dude's picture.

What's confounded me now is that my roommate and I both agreed there was hot fan exhuast as soon as it was reassembled and started up, but now neither of us think so. It feels like heat but no fan exhaust. Yet the temps are now holding around 50c after an hour's streaming. Does the fan not kick on until hotter? I don't even see fans in either SpeedFan or CPUID.

It must be the A/C making the room 20+ degrees colder than yesterday.
My System SpecsSystem Spec
14 Jul 2012   #20
DavidE

Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64
 
 

Greg,

Look in bios setup for a "Fan Always On" setting.
It may turn off the fan if temps are low enough to extend battery life.
20+ degrees difference in room temp will make a difference.
Raising it that 1" could make a difference, but that should be easy to test - just lower it.
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 Still getting high temps after repasting processor




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