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Windows Laptop Running Slow After Startup

Difficulty: Beginner
Priority: Low
Estimated fix time: 2 hours

Table of Contents

Summary

Your Windows laptop takes a long time to boot, applications open slowly, and the system freezes or lags during normal use. This issue commonly affects Windows 10 and Windows 11 devices and can be caused by too many startup programs, low disk space, malware, or outdated hardware.

Possible causes

  • Too many startup applications.
  • Low available disk space.
  • Hard Disk Drive (HDD) instead of Solid State Drive (SSD).
  • Malware or viruses.
  • Windows updates running in the background.
  • Insufficient RAM.
  • Corrupted system files.

Solutions

1. Disable Startup Programs

  1. Press Ctrl + Shift + Esc to open Task Manager.
  2. Click the Startup Apps tab.
  3. Disable unnecessary applications.
  4. Restart your computer.

Free Up Disk Space

  1. Open Settings → System → Storage.
  2. Delete temporary files.
  3. Empty the Recycle Bin.
  4. Remove unused applications.

Scan for Malware

  1. Open Windows Security.
  2. Go to Virus & Threat Protection.
  3. Select Full Scan.
  4. Remove detected threats.

Increase RAM

If your laptop has 4 GB of RAM or less, upgrading to 8 GB or 16 GB can significantly improve multitasking and responsiveness.