Trouble with overheating on your MSI GE66 laptop? Seeking guidance on fixing it.
Trouble with overheating on your MSI GE66 laptop? Seeking guidance on fixing it.
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I own an MSI GE66 laptop that’s experiencing overheating and thermal throttling, which seems quite severe. I’m unsure if this is normal for the model’s specifications—maybe I’m running out of thermal headroom, or the cooling system isn’t enough. The thermal paste I changed (Artic MX4) didn’t help much. I followed all the instructions from guides and videos, double-checked the paste application, and confirmed the pressure was correct on the cooler. Still facing the same issues, with no improvement in behavior.
The room temperature was around 18°C during testing. I’m also worried about the high idle temperatures, especially while the laptop is running at "Cooler Boost." The system drops off almost instantly when Cinebench runs, and it cools down completely when turned off. My laptop’s room temp was about 22°C when the tests were done.
I suspect the high idle temps are a concern, even when the CPU is off. While the laptop is on "Cooler Boost" (maximum fan speed), I’m not sure it’s handling the heat well. I’d appreciate advice from someone with more experience or knowledge about this specific model.
Let me know if you need any additional details!
I owned an MSI GE62VR around 2016 and faced similar problems now. Gaming laptops generally struggle with cooling due to their compact design, which limits airflow for high-performance CPUs and GPUs. MSI models in particular seem to have insufficient cooling solutions for the components they house. A helpful tip was lowering the CPU voltage through undervolting—reducing the power supply to the processor—which usually cuts heat output. I also disabled or adjusted boost settings using software like ThrottleStop, which stabilized temperatures. This approach sacrifices some performance but can prevent overheating and protect hardware.