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Startup performance guide

Windows Startup Optimization Guide

Reduce slow boot and sign-in delays by managing startup applications, services, updates, and hardware checks.

Start safely: Save your work, back up important files, and change one thing at a time. Similar symptoms can have different causes.

Measure the delay

Separate firmware startup, Windows loading, and post-sign-in delay. Each stage has different causes.

Review Startup apps

Use Task Manager to sort startup items by impact and disable only optional apps you recognize.

Finish pending updates

Partially completed updates can lengthen startup. Install supported updates, restart, and allow maintenance to finish.

Check storage and errors

A failing or overloaded system drive can delay boot. Back up important data and review drive health before deeper changes.

Use clean boot for diagnosis

A clean boot can help isolate third-party services, but record changes and restore normal startup afterward. Do not permanently disable essential services.

Repair limitations

These steps provide general educational guidance and cannot guarantee a repair. Software cannot physically repair failed storage, damaged memory, overheating components, broken connectors, or liquid damage.