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Tweaks »CPU Protection Settings in Windows Power Options
If your laptop gets hot, noisy, or sluggish after long use — don't panic. You don't always need to open it up or replace the thermal paste. Windows already has a built-in feature that can help: Power Options, where you can enable a simple form of CPU protection. For more information on laptop maintenance, check out our guide on Windows 10/11 Laptop Maintenance.
To access Power Options:
Right-click the battery icon in the taskbar/Find Power Options From Control Panel → Power Options → choose your active plan (Balanced / High performance) → click Change plan settings → Change advanced power settings.
Expand Processor Power Management, and you'll find three key options:
By default it's 100%, meaning your CPU can always run at full speed. Setting it to 90–95% can significantly reduce heat and noise without a noticeable performance drop.
Pro tip:
Set this to 5–10% so your CPU can throttle down when idle, saving energy and lowering temperature.
There are two choices:
Pro tip:
Beyond Windows settings, a few good habits can make a big difference:
This Video might help you:
If you'd rather skip the manual tweaking, try iSumsoft System Refixer — a lightweight but powerful optimization tool that automates system tuning and CPU management.
iSumsoft System Refixer
For users who just want their laptop to run better without effort, it's a one-click solution.
Enabling CPU protection is like teaching your laptop self-control — it performs when needed, rests when idle, and stays cool under pressure. Paired with iSumsoft System Refixer, your laptop will run quieter, cooler, and last longer. For more tips on optimizing your Windows system, check out our laptop maintenance guide and learn how to fix hard drive errors to keep your system running smoothly.
