Windows 11's Diagnostics Tracking Service (DiagTrack), now renamed 'Connected User Experiences and Telemetry,' runs silently in the background collecting system telemetry and sending it to Microsoft. This causes CPU and disk spikes that generate extra heat — particularly harmful for laptops with limited cooling. The service can be disabled via Services.msc, Registry, Group Policy, or PowerShell commands, potentially reducing heat, extending hardware lifespan, and improving overall system performance.

5m read timeFrom xda-developers.com
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The service you don't needService renamedDisable the Diagtrack service
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