Windows computers can slow down over time due to everyday use, cluttered files, outdated software, or underlying repair issues. Whether you\u2019re a beginner or a seasoned user, knowing how to diagnose and address performance problems is key to keeping your system running smoothly. Below are 15 actionable troubleshooting tips, complete with step-by-step instructions and practical examples. Where applicable, Glary Utilities is recommended as a trusted, all-in-one cleanup and repair solution.<\/p>\n
Beginner Tips<\/p>\n
1. Restart Your Computer Regularly
\nSometimes, a simple restart can resolve sluggishness. When your system reboots, it clears temporary files and resets background processes.<\/p>\n
How to do it:
\n– Click the Start button
\n– Select Power
\n– Choose Restart<\/p>\n
2. Run Disk Cleanup
\nWindows has a built-in Disk Cleanup tool to remove temporary files, system cache, and other unnecessary data.<\/p>\n
How to do it:
\n– Open the Start menu and search for “Disk Cleanup”
\n– Select the drive you want to clean
\n– Check file types to delete (like Temporary files, Recycle Bin)
\n– Click OK, then Delete Files<\/p>\n
3. Uninstall Unused Programs
\nToo many installed programs can bog down your system.<\/p>\n
How to do it:
\n– Go to Settings > Apps > Installed apps
\n– Browse the list, select an app you don\u2019t use
\n– Click Uninstall<\/p>\n
4. Disable Startup Programs
\nSome apps launch at startup, consuming resources.<\/p>\n
How to do it:
\n– Press Ctrl + Shift + Esc to open Task Manager
\n– Go to the Startup tab
\n– Right-click on unnecessary programs and choose Disable<\/p>\n
Tip: Glary Utilities offers a Startup Manager tool that lets you review and manage startup items more easily.<\/p>\n
5. Keep Windows Updated
\nUpdates often contain performance improvements and security fixes.<\/p>\n
How to do it:
\n– Go to Settings > Windows Update
\n– Click Check for updates<\/p>\n
6. Check for Malware
\nMalware can significantly slow down your PC. Use Windows Defender or another trusted antivirus to scan your system.<\/p>\n
How to do it:
\n– Open Windows Security from the system tray
\n– Click Virus & threat protection
\n– Choose Quick scan or Full scan<\/p>\n
7. Empty the Recycle Bin
\nFiles in the Recycle Bin still take up space.<\/p>\n
How to do it:
\n– Right-click the Recycle Bin icon
\n– Select Empty Recycle Bin<\/p>\n
Intermediate Tips<\/p>\n
8. Use Storage Sense
\nWindows Storage Sense can automatically clear out junk files.<\/p>\n
How to do it:
\n– Go to Settings > System > Storage
\n– Turn on Storage Sense
\n– Configure how often and what types of files to clean<\/p>\n
9. Repair Windows System Files
\nCorrupted system files can cause all sorts of issues.<\/p>\n
How to do it:
\n– Open Command Prompt as Administrator
\n– Type sfc \/scannow and press Enter
\n– Wait for the scan to finish and follow prompts<\/p>\n
10. Defragment and Optimize Drives
\nRegularly optimizing your drives can improve access speed (especially for HDDs).<\/p>\n
How to do it:
\n– Search for “Defragment and Optimize Drives”
\n– Choose the drive
\n– Click Optimize<\/p>\n
Tip: Glary Utilities<\/a> provides a Disk Defrag tool with advanced optimization options.<\/p>\n 11. Analyze Resource Usage How to do it: Advanced Tips<\/p>\n 12. Tweak Virtual Memory Settings How to do it: 13. Update Device Drivers How to do it: Tip: Glary Utilities offers a driver updater to simplify this process.<\/p>\n 14. Clean and Repair Registry
\nFind out which programs are using the most resources.<\/p>\n
\n– Open Task Manager (Ctrl + Shift + Esc)
\n– View the Processes tab
\n– Sort by CPU, Memory, or Disk to identify resource hogs<\/p>\n
\nAdjusting virtual memory (paging file) can help if your PC is low on RAM.<\/p>\n
\n– Right-click This PC > Properties
\n– Click Advanced system settings
\n– Under Performance, click Settings
\n– Go to the Advanced tab > Virtual memory > Change
\n– Set a custom size (generally 1.5 to 3 times your RAM size)<\/p>\n
\nOutdated drivers can cause slowdowns.<\/p>\n
\n– Right-click the Start button > Device Manager
\n– Expand a device, right-click, and choose Update driver<\/p>\n
\nA bloated or corrupted Windows Registry can impact performance.<\/p>\n