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A slow computer: where to start Simple checks to help you describe an issue and choose a practical next step.
Work through these steps. Start with the basics Save your work and restart the computer. Note whether the problem affects one application or everything you use.
Check space and updates Check available storage and whether updates are waiting. Avoid deleting unfamiliar system files or installing untrusted cleanup tools.
Record the pattern Make a note of when the slowdown occurs, any error messages and recent changes. Contact support with your device model if it continues.
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