⚛️ 100% disk usage can happen for many different reasons. I'll review the most common and give you recommendations for each. ⚛️ 100% disk usage? 1. Check whether your anti-malware software is scanning. 2. Perform an anti-malware scan. 3. Check for the content indexer indexing files. 4. Examine your RAM usage and virtual memory impact. 5. Examine tools like Dropbox rebuilding their indexes. 6. Look for hard disk errors with Chkdsk /R. 7. Consider upgrading to an SSD. 8. Turn off Superfetch. 9. Check for the state of defragging. 10. Reset the page and swap files. 11. Update Windows. 12. Check for firmware and driver updates. Updates, related links, and more discussion: 🔔 Subscribe to the Ask Leo! YouTube channel for more tech videos & answers: ✅ Watch next ▶ What is Virtual Memory? ▶ Chapters 0:00 100% Disk Usage 0:55 Clarity: usage versus usage 2:40 Check whether your anti-malware software is scanning 3:55 Perform an anti-malware scan 4:20 Check for the content indexer indexing files 7:30 Examine your RAM usage and virtual memory impact 8:15 Reference 10:00 Check for tools like Dropbox rebuilding their indexes 12:00 Look for hard disk errors with Chkdsk /R 13:35 Consider upgrading to an SSD 14:45 Turn off Superfetch 16:30 Check for the state of defragging 18:00 Reset the page & swap files 19:00 Update Windows 19:40 Check for firmware and driver updates ❤️ My best articles: ❤️ My Most Important Article: More Ask Leo! ☑️ to get your questions answered ☑️ to subscribe to the Confident Computing newsletter. ☑️ to help support Ask Leo! ☑️ for even more! #askleo #tech #harddrive