Is my overheating issue a manufacturing defect?- Helios 300 Ph315-52

Hello.
I have been facing overheating issues in my Helios 300 Ph315-52. I gave my laptop for cleaning and repaste last month since it is still under warranty. I saw massive improvements in GPU temps and overall performance of the laptop. GPU temps are 75ish at 100% load. My CPU temps are still reach 92 C(maximum possible in my laptop in predator sense app) in just 10-15 mins into a modern game (Call of Duty: Warzone to be specific) at full fan speed. I have watched some reviews and thermal testing videos about my laptop, example

https://www.youtube.com/watch?v=4cdq02JcTGU which say that it shouldn't cross 88 even in turbo mode if the fans are maxed while my CPU hits peak even when at 50-60% load. Since the room temperature is slightly higher here 23-24 C average on most days, I do realize the results should vary; but they are still not something which would seem normal after cleaning and fresh repaste with the Arctic-MX4. Is it possible that my laptop could have a manufacturing defect (I started suspecting this after going through a post in the forum where a guy had his heatsink scratched in his laptop from the factory and realized it only when he opened the laptop to repaste it himself) ? If yes, what is the protocol to contact higher level Acer customer support to check my issue?
Thank you.

[Thread edited title to add the product name]

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lhmlyz

Hi, I faced the same problem a few months ago and sent my laptop to Acer service. I had a fan and thermal issues and they replaced fans and changed thermal paste. After replacement, the thermal performance improved enough but sometimes CPU temp was increasing up to 92C.
I solved this issue by buying a laptop stand to improve airflow and I always use CoolBoost when playing games like Witcher 3 with ultra graphics. After these things, my CPU temps fluctuate between 87-88C on ultra graphics.
It's not crucial to buy a stand but keeping your laptop a little bit higher over the table and using CoolBoost will improve temps. But I recommend that don't play games on ultra graphics if you want to keep your laptop's life span longer. When you use the laptop for a long time with high temperatures it can damage other components like battery, SSD, and so on.

xapim

@shantanuthakur1 since your laptop comes pre undervolted by factory no its not normal even after it was already repasted under warranty seems to me a bad repaste job please contact acer support again directly and send it back to get it properly repasted if possible ask them if they would use the thermal paste you would provide if so get some kryonaut and sent it for them to use in some countries they accept it not all also the cpu shouldnt go above 85'ish (spikes are normal) and gpu 75/75 max optimise your windows properly and if needed undervolt it further manually with ts check here and make sure the back is lifted at all times 2/3" for a proper airflow fan on auto coolboost on should be more than enough good luck

Just to point cod its a very badly optimised game everyone has thermal issues even on desktops its the devs fault for not doing their job properly and they dont care at all nothing we can do and its not the game to test any temps at all to test temps try a proper optimised game in order to get real results

shantanuthakur1

xapim said:

@shantanuthakur1 since your laptop comes pre undervolted by factory no its not normal even after it was already repasted under warranty seems to me a bad repaste job please contact acer support again directly and send it back to get it properly repasted if possible ask them if they would use the thermal paste you would provide if so get some kryonaut and sent it for them to use in some countries they accept it not all also the cpu shouldnt go above 85'ish (spikes are normal) and gpu 75/75 max optimise your windows properly and if needed undervolt it further manually with ts check here and make sure the back is lifted at all times 2/3" for a proper airflow fan on auto coolboost on should be more than enough good luck

Just to point cod its a very badly optimised game everyone has thermal issues even on desktops its the devs fault for not doing their job properly and they dont care at all nothing we can do and its not the game to test any temps at all to test temps try a proper optimised game in order to get real results

Yeah. My GPU temp is always 75ish (depends on room temperature slightly) at stable 98% load. My CPU temp is 90ish even if I play a low end game like CS:GO. This further confirms that something is wrong is CPU's heatsink/fan/paste. I'm going to contact acer support soon. Do you have any idea if acer will be willing to replace the plastic CPU fan with a Aeroblade 3D fan under warranty if a lodge a complaint that I have terrible thermal issues even after I got it repasted by them? Also, will that be of any help?

Pb101

Arctic MX-4 will be better than factory paste but Kryonaut is really the best I've seen. You will really see the difference on the CPU.

xapim

Pb101 said:

Arctic MX-4 will be better than factory paste but Kryonaut is really the best I've seen. You will really see the difference on the CPU.

Pb101 definitely

xapim

shantanuthakur1 they will only replace stock hardware so if you have a plastic delta fan ( on most models usually the cpu fan its the delta and the gpu its always aeroblade) but dont expect them to replace it for an aeroblade if you dont have it by stock that will not happen

shantanuthakur1

Pb101 said:

Arctic MX-4 will be better than factory paste but Kryonaut is really the best I've seen. You will really see the difference on the CPU.

That sounds great. I'm really excited to repaste my laptop with a Kryonaut now :-)

shantanuthakur1

xapim said:

shantanuthakur1 they will only replace stock hardware so if you have a plastic delta fan ( on most models usually the cpu fan its the delta and the gpu its always aeroblade) but dont expect them to replace it for an aeroblade if you dont have it by stock that will not happen

Ah, its a shame. Not sure why they gave a aeroblade for GPU even though it doesn't overheat but gave a lower quality plastic fan for CPU even though many predator laptops have CPU overheating issues. I think a repaste with kryonaut is my only hope now.

xapim

shantanuthakur1 use the spread method when repasting only a thin layer covering both diodes its enough too much paste its bad test it properly and post your results after good luck

shantanuthakur1

xapim said:

shantanuthakur1 use the spread method when repasting only a thin layer covering both diodes its enough too much paste its bad test it properly and post your results after good luck

Done. Temps dropped like crazy on CPU! I get 85 while playing warzone in an open room at 30 C room temperature. GPU temps are way worse than I had expected ;_; They were like 75 when I had got the fresh repaste with Arctic MX4 but now they are 78-79 even after a fresh repaste with kryonaut. What could be the reason? Can it be because the paste which came out initially was bad? Or could it be because there is defect in my heatsink and I can get good pressure in only one of the dies, CPU or GPU?

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