Question Lenovo Y545 Thermal Throttling

Aug 1, 2020
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Hello guys;

I bought a Lenovo y545 laptop a year ago. In the last 2 or 3 months, I am having a thermal throttling problem. When my GPU hits 80-84C it starts to throttle. It keeps throttling at 65- 70C after the first throttle at 80C. I need to restart the laptop to fix it. I tried these solutions but none of it helped:

  • Disabled CPU turbo and undervolt
  • I cleaned all the dust from fans and etc
  • Repasted CPU and GPU with a high-end one
  • I tried GPU undervolt
  • All my drivers updated
  • Using a cheap cooling pad
  • I Checked from GPU-Z, GPU thermal limit at 87C
My friend has the same laptop and we are experiencing same issues. I bought it from the US and I am in Turkey now. Unfortunately, we don't have the Y545 series in Turkey so Lenovo Turkey didn't help me.

With Turbo on CPU= 90-95C GPU=84-85C Max and it starts throttling

With Turbo off CPU= 76-78C GPU=82-83C Max and it starts throttling

I really need your help guys, I can't even play FIFA20

Here are my specs:

I7-9750H
Nvidia GTX 1660TI
16GB Ram
128GB SSD
1TB HDD
Windows 10
Bios Version BHCN38WW
 
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