780M temps in P150SM, P157SM, P170SM, P177SM?

Thats a good point that i didnt think off, would a reseller notice a 1mm increase in the diameter of the cover holes? i might buy a new one to test or if someone who has acces to them be able to test it?

 

They probably would notice yes.

 

Oh neat... New P170SM and I'm getting 93C consistently while playing Assassin's Creed IV From having read this thread I'm guessing it should not be going this high?

 

What are your clocks when playing?

 

No i dont think it should be
I had the same temps and after multiple repastes with a varity of TIM's and a new heatsink i have lowered myne down to 88'c in a 35'c + room ( Summer in australia)
Try a few of the aforementioned peices of advice like repasting and raising the back a little and keep it clean
Good luck

 

Yeah either the heatsink is damaged or the TIM job needs work.

 

Here is my update. I have a P170SM with 780M. The bios and vbios are stock, with no overclocking done. With Farcry 3 I get temps of 92-93C, even though the fan is on max. My room temp is 74F, and I have the back of the laptop raised and inch and a half.

That was with the standard thermal pad. So I cleaned it off, and put down a rice drop of Artic Silver 5. I still see 93C temps in Farcry 3.

So I ordered a new heatsink. I put it in with the standard thermal pad it comes with, and still get 93C temps. I tried Artic Silver 3, and still get 93C temps.

I am now wondering how people are getting lower temps. I guess that they are not truely maxing the gpu. Because in other games I can see much lower temps. So maybe they had a game that hit say 90% utilization, and was hitting 93C, of which mine does not hit 93C with lower utilizations.

Also note, I know how to apply paste. It should end up as thin as possible, with full coverage and hopefully none that is squeezed out, and no air bubbles or other impurities, and the heat sink should be tight. During the repastings I even examined my other paste jobs, they had coverage with only a tiny amount sqwished out on one side. So not too thick. Also the fans and heatsink fins are nice and clean, so no issues there.

I now run Nvidia Inspecter everytime I game so I can force max temps to 87C. There must be a way to force it to remember max temp setting.

Any other ideas why I see 93C temps in Farcry 3, while others don't see that high? I think others are not truely maxing the gpu, which if my gpu is not maxed it also runs much cooler.

 

It can be that yes, but having it max seems a little much still. Maybe your chip is just a hot running sample.

 

It could be I guess. I just wish people would post more details when they post temps. Well, at least I am happy with the performance. Farcry 3 looks great.

 

Here's a thought: trying requesting a free sample of "pressure paper" from Sensor Products. After taking apart the heatsink and cleaning off the paste, put in the pressure paper then screw on the heatsink as you normally would. Then take out the pressure paper and see if there any areas of bad contact with the heatsink.

 

ajnindlo: Could you post your clocks when playing? Do you get 770mhz- 850mhz and will they throttle when you reach max temps? And if so, to what do they throttle?

 

Mine throttles to about 590Mhz. It doesn't jump, as it stays right around 587Mhz most of the time. Other games give me other speeds. I don't have BF4, or even 3 to try.

 

Well that doesn't seem so bad, not that it's nice either, as if it would jump back and forth, you would notice stutter.

 

Yes, I don't notice a problem while gaming. And I have done benchmarks, and they were lower than others, but not a lot lower. But that is subjective I guess.

Have you tried something like Nvidia Inspector to set clocks or max temps? I use it to set max temp of 87C, as I want the card to last many, many years.

 

another re paste today and i happy to say it was better than before i removed the thermal tape on the memory and put a dot of TIM on them all because i thought that maybe it was holding the heatsink up a little bit again and now after 1 hour of firestrike extreme i get 92.c with the laptop flat on the table and 80c with it raised .

 

That's better, not perfect but 80c is fine.

 

Are you sure the memory is making good contact with the heat sink? I would be worried there would be a small gap.

Assuming the memory is fine, 80C is a great temp. Mine reaches 93C, and that is even with the back raised 1.5 inches, new tim, and new heatsink.

 

Yes I'm sure the memory touches I put it on and pulled it off and the Tim was spread over the memory


Sent from my iPhone using Tapatalk

 

Not that this applies to other peoples situation, but I had the high temp- problem, even after repasting and "good contact". The problem is that, when the heatsink is set in place, it is lifted just a little bit, because there is really nothin holding it down if the pipes aren't bended just in the right angle ( There is only 2 solid "clips" in the corners). I also checked the paste and it had great spread and contact. But after checking the clearance when the heatsink was on, I noticed that there is a really small gap.

After adjusting the heatsink ( The pipes and the sticker, which also pulls the gpu- block upwards when the memory- block is screwed back on place.) I got a tight contact. Now temps are 89c max .

 

You could adjust with washers if you feel it would help.

 

How exactly did you adjust the heatsink? Right now it is held down by spring steel. So it should be under tension.

Any suggestions on the size and where to get them, in the us?

 

I gently bended the gpu- heatspreader while holding the actual heatsink against table and my "custom build" holder ( Small hard bottle to keep the heatpipe from bending too much and keeping the little "arc-like form"). Also I made sure that the sticker was removed few millimeters so that the gpu-block could go a bit more down compared to the memory- heatspreader, as that was the piece holding it up after tightening the screws.

If you mean those 2 thin metal stripes beeing the spring steel, I don't think that they really hold the gpu down, more like hold it in position, as the 2 "solid" corner clips are below them and do not have contact with them and that is where you could put the washers like so: http://forum.notebookreview.com/sag...g-systems-neglected-clevo-solutions-here.html

 

I got a new heatsink, finally, for my GTX780m. Now temps are 87C max. at furmark and 79C at battlefield 4. So in my case, the heatsink was the problem. Just happy I got this fix. Now clocks are steady at 849mhz while playing

And one weird thing I noticed about the new heatsink, it has a part that is missing from the old heatsink. Maybe the updated version is somewhat different. Anyhow, couldn't be happier.

 

What part is missing?

 

Picture might be easiest, but it's kind of a metal support for the heatpipe coming from the memory-heatsink part. Separates the 2 gpu heatsinks from the single heatipipe and keeps the memory-heatsink in level.

 

I wondered if it was that bit, is the heatsink a single piece or is there a gap between the vrm part and the core cooling part.

 

Now you see it, and now you don't! Left is the new one installed.

Probably doesn't make a much of a difference though.

Edit: Added red circles to the pic.

 

The heat pipes on the right have dents in them that will have hurt performance.

 

Probably true, but the gpu- heatspreader on the old one wasn't nearly as leveled with the vrm-part as it is with the new heatsink. And the bending of the old one did help temps, but also made the dents worse.

Still all in all, I'm happy that the new heatsink sits quite firmly and the temps are good. Also, the new heatsink wasn't too expensive at 40£.

 

we need this
Asetek unveils technology of liquid cooling for laptops - NotebookCheck.net News
who do i have to f@#$

 

That's old news, they showed a working prototype but never released any commercial products.

 

Yep, since the fin area is the same the total heatsink cooling is identical.

 

Hey does anyone know the thickness of the stock thermal pads for the p177sm and maybe there themal rating and quality i want to put some back on i read that it is a bad idea to not use them incase the TIM leaks out and stops making contact

 

0.5mm (vram) 1mm (inductor) 1.5mm (VRM)

Any type should work really, but keep it above 5w/mk, higher is not needed but wont hurt.

 

Hi everyone. I'm glad I stumbled upon this thread. I have some concerns--of the thermal variety--about my P170SM.

Quick and dirty specs are 4800MQ, 16GB RAM, 780M. I repasted both the CPU and the GPU with GC Extreme, so I also know that I have one of the revised heatsinks. Currently using 337.88 drivers. No overclocking. Laptop sits on top of a Cooler Master cooling pad. I got everything last November/December, and I've mostly been playing EVE Online on it, some Civ 5. Recently I played ESO on it, and currently I'm playing the Elite: Dangerous beta--so a mix of high demand and not so high demand games in there.

My issue is, until maybe a few months ago, the system stayed quite cool. Average temperatures in the 60s (all temperatures in celsius) and peaks in the mid 70s? I picked up Hawken too, and during that game, I think it would hit the high 70s or low 80s. But nowhere near the thermal ceiling of 92,93.

When I started playing ESO, I noticed the temps hitting 89, 90, but stopping there. Since then though, the overall temperatures--average and peak--have been increasing. The card has just been running hotter.

Nowadays, playing EVE, the card will peak in the mid 80s. Playing something like Elite: Dangerous would see peaks of 93 (although this game is in beta, so of course, there's the lack of optimization to factor in).

Until now, I haven't been forcing max fan speed with fn+1. Using this and testing with Elite though, and peak temp looks like 85 and the max clock speed was 849.2.

What does everyone think? Defective card? Defective heat sink? Is it CPU Boost just doing it's thing? I haven't repasted yet or done anything with the hardware aside from regularly blowing out the dust with air. I have tried a clean reinstall of the drivers in case something was gumming up there, however unlikely. It didn't change anything.

The only thing that has changed the temperature is using fn+1 to max the fan speed. But when people report their temperatures here, are they using max fan speed? Is that usual practice? Plus, man, the fans sound like they are spinning really fast at those speeds. I don't care about the sound, but I don't want to blow out the fans or something. I'm in Japan, and it looks like it would be a pain in the to get replacement Clevo parts. The reseller will not sell the individual parts directly, so I'd have to get them shipped from overseas.

Would appreciate any help. I was hoping this would last at least two years, and I'm not even done with the first one yet and seeing some concerning temps

 

How clean are the heatsinks? How long since you repasted? Did you check your pasting job?

 

Are you referring to the fins attached to the heatpipes? Those are dust free. Fans, too, are dust free. I last repasted roughly 6 months ago. I'm using GC Extreme. It's really, really viscous and I don't know if I have enough left for multiple tries.

I haven't tried a repaste yet because I don't want to screw up the first attempt and be out of paste. Maybe this weekend, I can go pick up some more. When I did the first repaste 6 months ago, I did a test paste, removed to check the spread, then repasted accordingly. I feel like the paste might not be the issue here though. As I indicated, my temperatures basically peaked at 80. It was only when I played ESO that I noticed these new peaks of 92, 93. I'm not saying ESO is at fault here, but it could have been new drivers that I installed around the same time as well. Who knows. I was using beta drivers for a spell there for awhile. Maybe they pushed the card too hard and something's just broken?

Forcing max fan speeds with fn+1 though, and I've only hit 87 over the past weekend. Is fn+1 standard procedure, as in, should everyone be doing this? When others reported their temperature above, I got the impression that a lot of people were just relying on automatic fan speed control.

 

How much paste did you use?

 

Maybe like a 4mm diameter 'turd' shape of it. I used a smaller amount like I would have were I using AS5, but the GC was so viscous the corners of the die remained uncovered.

You seriously think it could be the paste?

 

hey everybody i stumbled upon this site that does spare screws for the 780m

Clevo Laptop Parts :: P150SM/P157SM/P170SM/P177SM - R&J Technology, Clevo Barebone Notebook kits, Laptop and desktop system builder

good deal if you are in north america but for us south of the equator shipping is nuts @ $90

 

You should be using about a grain of rice size on average, maybe a little more but a 4mm blob sounds like a lot. A good trick is to apply some extra pressure on the die using a thumb on the centre of the heatsink.

 

The rice grain drop was what I tried first and the stuff didn't spread at all, even with a but of pressure on the heatsink. I'll take the heatsink off this weekend, take a look, and repaste again then. Will report back.

 

Take a picture of the contact pattern it has created.

 

Alright, I went and did it after I got home from work this evening.
As soon as I removed the heatsink, I noticed the bottom right corner had no coverage. Not sure if it dried up? Or if it just got squeezed out when I clamped down with the prior paste.

Anyway, I did three pastes. Starting out with the rice grain, and up to a turd again. Before taking off the heatsinsk to show the spread, I lowered the heatsink, applied gentle pressure, and tightened screws 1 - 4 only.

For the final paste, I also took the step of gently turning all screws in a bit before finally tightening them all in order. Hopefully this evens out the spread and I avoid the uncovered corner issue.

I am not subbed to ESO, so I can't stress test with that game. That was the game that consistently made me shoot up to the low 90s. I did play the Elite: Dangerous beta bit though, and I hit around 82 celsius, but this was without forcing max fan speed. (Forcing max fan speed before the repaste saw me hitting 87).

Other things: you'll notice I don't do a great job of cleaning the paste that fills the 'reservoir' around the die. This shouldn't affect temps right? Also, my procedure when pasting is to use an alcohol swab to clean down the die and heat sink. Then I use a coffee filter to wipe them down. Then I hit both surfaces with some compressed air before pasting.


Will continue testing.

 

Hmz it should spread better, it looks like the contact is not great.

 

Whaddaya recommend? I agree, the initial pattern suggests that there's a 'diagonal valley' where the contact isn't good.

This weekend would be the best time to try stuff. I'm already relieved though, thankfully. I hope the period of hitting low 90s didn't damage anything inside, but the GPU is designed to throttle down when it happens right?

I'm still monitoring, but looks like stuff is back to normal. Without forcing max fan speed, max I've hit is low 80s. Playing EVE (which isn't a heavy game), temps are back to 50 max (it was reaching the 60s before).

 

You could look at the mounting or maybe even a thin shim.

 

Hmm, not sure if I have the acumen for a shim modification, but how about the mounting? From the original pattern, it looks like the fitting between screws 3 and 4 isn't so great. Should I bending up the washers under those screws perhaps?

 

So what I think is happening, after some extended testing, is the gap between the GPU and the heatsink is too big. The paste gets cooked off and dries up faster, leading to temps increasing over time

 

You could adjust the mounting or get another heatsink then.