How to Reduce Overheating on Windows PCs

Difficulty
Intermediate
Tested on
Windows 11 24H2 - Dell XPS 15
You will need
Compressed air canister, Phillips head screwdriver, soft microfiber cloth

Step by step

  1. 5 min

    Clear cooling vents of dust accumulation

    Power off the PC completely and disconnect the power adapter. Use a compressed air canister to blow air into the intake and exhaust vents in short, controlled bursts. Do not touch the internal fans with fingers or metal tools while spraying.

    Note: Ensure your computer is placed on a hard, flat surface to allow unimpeded airflow to intake vents.
  2. 1 min

    Adjust power mode for optimal thermals

    Open Settings and navigate to System > Power & battery. Locate the Power mode dropdown menu and select Balanced or Best power efficiency. This limits CPU frequency spikes that generate unnecessary heat during light workloads.

  3. 2 min

    Identify resource-intensive processes

    Press Ctrl + Shift + Esc to open Task Manager. Click the CPU column header to sort by usage and identify applications consuming high system resources. Select high-impact processes and click End task to alleviate thermal load.

    Note: Focus on closing web browser tabs or background applications that utilize excessive GPU or CPU resources.
  4. 3 min

    Update system firmware and drivers

    Navigate to Settings > Windows Update and click Check for updates. BIOS and firmware updates often contain critical thermal management curves provided by the manufacturer. Install all available firmware updates and restart the machine.

    Note: Always keep your laptop plugged into power during a BIOS update to prevent catastrophic failure.
  5. 2 min

    Limit maximum processor state

    Open Control Panel, navigate to Hardware and Sound > Power Options > Change plan settings. Select Change advanced power settings, expand Processor power management, and set Maximum processor state to 99 percent while plugged in. This disables Turbo Boost technology, significantly lowering operating temperatures.

    Note: Disabling Turbo Boost will result in a noticeable drop in performance during heavy rendering or gaming tasks.