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Laptop Overheating Tips

Bedeker Snyman

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I have a Acer Predator Helios 300 with a i7 9750H and a Nvidia GTX 1660Ti. The Laptop is about 1 year old and the last month I had overheating problems when playing games. When playing Warzone CPU temps hit 94 and GPU 88. The laptop always got hot but nothing like this.

As any guy with a gaming laptop with heating problems I bought a cooling pad. This didn't help to improve thermals and thus my search to cool my Laptop continued. Blowing out the fans with high pressure air also did not work. At last I decided to take of the heat pipes and apply new thermal paste. When inspecting the fans I saw a small buildup of dust and hair between the fan and heat sink, no high pressure air will be able to blow this out with out taking of the heat pipes and fans. Lastly I applied new thermal paste and covered everything back up. This is the result when playing Warzone CPU temp dropped from 94 to 79 and GPU dropped from 88 to 69.

Thermals are now better than when I got the laptop. Better thermals also means better FPS, my average FPS increased by 10.

My first attempt of apply thermal paste only saw the GPU temps drop and not the CPU. I figured that I had applied to much thermal paste and when I redid it with less the thermals dropped. Thus to much thermal paste can also be bad for LAPTOP temps.

IN SHORT what to do with a overheating laptop.
  • Clean Fans and Heat sink Thoroughly
  • Apply new Thermal paste (Or get a professional to do it)
  • The amount of thermal paste makes a difference
  • Buy a cooling pad after doing all of this.
DISCLAIMER -- DO NOT attempt to do this if you do not have any technical know how. Also this can void your warranty with some laptops, if not done by a professional.
 
Yes I am, Acer comes with a factory undervolt set at -0.125. This also helps with the thermals, but I still have to optimize the undervolt and see if there is room for improvement.
 
My alienware klaps 90c, have throttle the cpu to base clocks otherwise it shutdown lol

Alienware is bit tricky to repaste, did not try it yet
 

Liquid metal if you're feeling hardcore.

I've not tested it with laptops which use discrete gpus, but disabling turbo boost does wonders to cpu temps in general.

And then, undervolting is a must.
 
Use ThrottleStop. And learn to use it properly. Plenty of comprehensive info on setting it up properly
Works great at reducing temps , undervolting, and controlling boost speeds.

You could also re-paste.
I often use Cooler Master MasterGel Maker thermal paste and re-paste both the GPU and CPU.
It's effective and not expensive.
 
My alienware klaps 90c, have throttle the cpu to base clocks otherwise it shutdown lol

Alienware is bit tricky to repaste, did not try it yet
Search for a youtube video most well known gaming laptops have someone that made a video on how to do it.
 
Search for a youtube video most well known gaming laptops have someone that made a video on how to do it.
Yeah indeed I did battery swap my self, just need get some quality paste and time :(

Sent from my SM-G980F using Tapatalk
 
Cooling stand + re-paste + thermal pads + undervolt (I use Intel xtu) and debloated windows. It will never run cool, but less- hot
 
Have you tried liquid metal? I've managed to chop down some pretty chunky bits of temp with a cleaning and some conductonaught. With a nice undervolt, I couldnt imagine you'd be able to squeeze out any more performance without decasing the machine
 
I figured that I had applied to much thermal paste and when I redid it with less the thermals dropped. Thus to much thermal paste can also be bad for LAPTOP temps.
I've always disagreed with the "too much paste = bad" idea. Rather, "too much poor quality paste = bad"

Facts :
air = bad conductor;
air between die / IHS & cooler = hot hot hot ;
The mounting pressure of the cooler will force any excess paste out of the sides of die / IHS, & by doing so will force out air (the paste will replace the air).

Assumption:
You did not tighten the cooler down til the threads bottom out, resulting in a thicker layer of paste & possible more air.



"Putting too much paste on a socket generally won’t hurt thermal performance, because the act of tightening down the cooler squeezes out the excess. Too little paste is bad, but anything above the minimum threshold will have the same effect once the cooler is tightened down. The problem with excess isn’t thermals, it’s the danger of shorting components with conductive paste, or just making a huge mess. It’s also possible that with lower quality paste applying large quantities would hurt thermals more, but again, this test covers our own methodology, and we use Kryonaut."
 
Last edited:
Good day, sorry for a necropost.
I though that this is a interesting topic and I just wanted to add my 2 cents worth.

I had a Wootbook Ultra I (i7-9750H & RTX 2060 80W) which I sold earlier this year.
It already had decent ventilation for a thin and light gaming laptop, but as @Petester suggested by using ThrottleStop and a 110mV undervolt. I was able to stop CPU thermal throttling during CPU benchmarks (ThrottleStop TS Bench, Firestrike & Timespy CPU test, but I didn't try Prime95).

I was very tempted to repaste the CPU & GPU but did not want to void the extended warranty as I knew that I wanted to sell it.

To further improve cooling I looked for decent cooling pad but all the ones I could find (even a Klim Wind with 4x120mm fans) were severely limited by the fact that they are powered through a 5V (Max) USB port.

I decided to buy and mod a Cooler Master Notepal U3, but I replaced the included 3x 5V 80mm USB fans (15CFM Max each) with 3x Corsair 120mm ML-120 400-2400RPM, 75CFM (max each) 4.2mm H2O (max) 12V fans with an external DC power supply.

Photos are in my Wootbook Ultra sale thread if anyone is interested. I got the idea from this notebookreview.com thread where other people did very similar mods.

This custom cooling pad outperforms any 5V USB powered cooling pad that I have seen. I have test results showing it lowered my average GPU edge temp by over 10 degrees Celsius while running 3D Mark Time Spy & Firestrike benchmarks for 40-60 min runs. (Laptop on flat surface with internal fans at max speed vs. Laptop on cooling pad with all fans at max speed)

I would be happy to build such a cooling pad for anyone who is interested, or help them build their own.
 
Good day, sorry for a necropost.
I though that this is a interesting topic and I just wanted to add my 2 cents worth.

I had a Wootbook Ultra I (i7-9750H & RTX 2060 80W) which I sold earlier this year.
It already had decent ventilation for a thin and light gaming laptop, but as @Petester suggested by using ThrottleStop and a 110mV undervolt. I was able to stop CPU thermal throttling during CPU benchmarks (ThrottleStop TS Bench, Firestrike & Timespy CPU test, but I didn't try Prime95).

I was very tempted to repaste the CPU & GPU but did not want to void the extended warranty as I knew that I wanted to sell it.

To further improve cooling I looked for decent cooling pad but all the ones I could find (even a Klim Wind with 4x120mm fans) were severely limited by the fact that they are powered through a 5V (Max) USB port.

I decided to buy and mod a Cooler Master Notepal U3, but I replaced the included 3x 5V 80mm USB fans (15CFM Max each) with 3x Corsair 120mm ML-120 400-2400RPM, 75CFM (max each) 4.2mm H2O (max) 12V fans with an external DC power supply.

Photos are in my Wootbook Ultra sale thread if anyone is interested. I got the idea from this notebookreview.com thread where other people did very similar mods.

This custom cooling pad outperforms any 5V USB powered cooling pad that I have seen. I have test results showing it lowered my average GPU edge temp by over 10 degrees Celsius while running 3D Mark Time Spy & Firestrike benchmarks for 40-60 min runs. (Laptop on flat surface with internal fans at max speed vs. Laptop on cooling pad with all fans at max speed)

I would be happy to build such a cooling pad for anyone who is interested, or help them build their own.
Morning buds. Ill be interested. This is definitely a small market and select people that will be looking at this, currently i am using that Marvo thing from Thievetech with the 4 120mm brandless fans, i wanted to replace but not sure which fans will fit or work. The fan speeds are absolute crap and would prefer a nice flow of air.

Fyi i am also using a Alienware lappy so @yourang if you meed help to repaste and make it a bit better i can help you.
Im sitting on a 17r5, temps was hitting 92 and throttled, but got it down 82 on cpu, and gpu is 60 odd, take care the fans on most alienware laptops decide to slow down and never hit 100% when needed and thus requires a warrantee service claim (finally did mine last week after 2 weeks of hassles)...but now its running good, jext is to undervolt it, maybe ther is someone here that has done it on an Alienware lappy?
 

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