Fix a Slow Computer Guide
Is your computer taking forever to start, freezing, lagging or just not running like it used to?
The CompU Fix a Slow Computer Guide gives you clear, step-by-step instructions to help improve your computer's speed and performance — without needing advanced technical skills.
Work through practical fixes including freeing up disk space, managing startup and background programs, scanning for malware, updating Windows and drivers, optimising power and visual settings, improving storage performance, cleaning your browser and identifying hardware upgrades that can make a real difference.
Inside the guide you'll learn how to:
- Identify common causes of a slow computer
- Free up disk space safely
- Reduce unnecessary startup and background programs
- Check for malware and unwanted software
- Update Windows and device drivers
- Optimise Windows performance settings
- Improve storage and browser performance
- Decide whether an SSD or RAM upgrade could help
- Troubleshoot common computer performance problems
Designed for everyday Windows 10 and Windows 11 users, the guide uses easy-to-follow instructions, screenshots and visual examples.
Try the DIY solution first.
If you've worked through the guide and your computer is still slow, CompU can be your second backup with affordable flat-fee on-site help.