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Laptop Running Slow? 12 Fixes Before Replacing It

A practical checklist for slow laptops: storage, startup apps, updates, malware, overheating, battery, RAM, drives, and when replacement is better.

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Written by Everyday Computing technical support team | Reviewed by Everyday Computing service operations
Technician checking a slow laptop

A slow laptop does not always need replacing. Many performance problems come from low storage, too many startup apps, old updates, malware, overheating, failing drives, or cloud sync tools running constantly.

Quick fixes to try first

  1. Restart the laptop fully, not just sleep and wake.
  2. Free storage until at least 15 to 20 percent is available.
  3. Remove unused startup apps.
  4. Install operating system and browser updates.
  5. Check for malware and unwanted browser extensions.
  6. Pause heavy cloud sync while testing performance.
  7. Close unused tabs and apps.
  8. Check whether the laptop is overheating.
  9. Test performance while plugged in.
  10. Check drive health before reinstalling software.
  11. Consider RAM or storage upgrades if the model supports them.
  12. Back up important files before major changes.

When repair is worth it

Repair or upgrade can be worthwhile when the laptop is otherwise reliable and needs a battery, storage, RAM, cleanup, or software repair. It is usually less worthwhile when the screen, board, keyboard, and battery all need work on an old device.

When to replace the laptop

Replacement is often better when the laptop cannot run supported software, has major physical damage, or would cost a large portion of a new device to repair. A technician can help transfer files, email, bookmarks, and software settings to the replacement.

Everyday Computing can diagnose slow laptops remotely or onsite, then recommend repair, upgrade, cleanup, or replacement based on the actual fault.

Common questions

Will adding RAM make my laptop faster?

Sometimes. RAM helps if the laptop is running out of memory, but it will not fix every issue. Storage health, malware, overheating, and software problems should be checked too.

Should I reinstall Windows or macOS?

A reinstall can help, but back up files first and check drive health. Reinstalling onto failing storage may waste time and risk data loss.

Can a slow laptop be fixed remotely?

Many software-related slowdowns can be diagnosed remotely. Overheating, failing hardware, or upgrades usually need onsite or pickup support.