Optimization

Slow Computer? How to Get Your Speed Back

15 January 2024 7 min read

A slow computer isn't inevitable. Discover the most common causes and practical solutions to get a fast PC again — without necessarily replacing it.

Why Your Computer Slows Down Over Time

Over months and years, your computer accumulates "digital clutter" that progressively slows it down. This is completely normal, but it can be fixed.

Main causes of a slow computer: 1. Hard drive nearly full

When your drive is over 80% full, Windows and macOS struggle. The system needs free space for temporary files.

Solution: Free up space by deleting unnecessary files, emptying the Recycle Bin, and uninstalling unused software. 2. Too many startup programs

Every time you install software, it often programs itself to launch at startup. After a few years, your computer can take 5-10 minutes to fully boot.

Solution: In Task Manager (Ctrl + Shift + Esc), under the "Startup" tab, disable unnecessary programs. 3. Viruses or malware

Malicious software consumes background resources and significantly slows your machine.

Solution: Install and run an up-to-date antivirus. Malwarebytes (free version) is excellent for one-time scans. 4. Aging mechanical hard drive

HDDs degrade with age. If your computer is over 5 years old, this is likely the main cause.

Solution: Replacing a HDD with an SSD is the upgrade that transforms a computer most. For a 5-8 year old PC, it's often more cost-effective than buying new. 5. Not enough RAM

If your computer only has 4 GB of RAM and you use multiple apps simultaneously, it will use the hard drive as temporary memory, causing massive slowdowns.

Preventive Daily Habits

  • Restart your computer at least once a week
  • Regularly empty the Recycle Bin and Downloads folder
  • Keep Windows/macOS and apps updated
  • Avoid installing unnecessary software
  • Always keep at least 15% free disk space
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