Windows 11 My PC keeps randomly underclocking after I updated to Windows 11

  • Thread starter Thread starter Lulu_BR
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Lulu_BR

Specifically a Lenovo IdeaPad S145-IWL with an Intel Core i7-8565U @ 1.80GHz. I've had it since 2021 and recently, I upgraded to Windows 11. However, after some time turned on, it randomly underclocks to 0.39GHz even on idle (it usually runs at 1.7-4GHz) and makes everything super slow, some times even crashing and forcing me to fully shutdown the computer. I'm pointing out the Windows 11 part because I couldn't find any other reason why it's doing this, seeing how it worked fine on Windows 10 and there's nothing wrong, the vent is clean, the thermal paste is good (I changed it this year), the

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