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How to Speed Up macOS Big Sur?

Christopher Nolan

Feb 26, 2025 am 04:46 AM

Boost Your Big Sur Performance: A Step-by-Step Guide

Is your macOS Big Sur running slower than a snail? Lagging, freezing, and generally unresponsive? Don't despair! This guide provides practical solutions to revitalize your Mac's speed. Even if you're not a tech whiz, these steps are easy to follow.

Why is Big Sur Slowing Down?

Several factors can contribute to Big Sur's sluggish performance:

Outdated apps and macOS.
Insufficient memory.
Too many open applications.
Slow Wi-Fi.
Resource-intensive apps.
Incompatible applications.

Speed Up Your macOS Big Sur: Actionable Tips

Follow these steps to optimize your Big Sur experience:

Install macOS Updates: Keeping your operating system current is crucial.
1. Go to Apple menu > About This Mac.
2. On the Overview tab, select Software Update and click Restart Now or Update Now.
Update Mac Apps: Outdated applications can significantly impact performance. Update them through the App Store or the application's update mechanism.
Monitor CPU Usage (Activity Monitor): Identify resource-hogging apps.
1. Open Activity Monitor (Applications > Utilities > Activity Monitor).
2. Close power-hungry apps by selecting them and clicking the X.
Optimize Your Browser: Clear cache and close unnecessary tabs.

Safari:
1. Use the keyboard shortcut Command Option E to clear the cache.
2. Alternatively, go to Safari > Preferences > Advanced > Show Develop menu.
3. Select Develop > Empty Caches.
Chrome:
1. Click the three-dot menu > More tools > Clear browsing data.
2. Select the time range, check Cookies and other site data and Cached images and files, then click Clear data.
Close unused browser tabs by clicking the X on each tab.
Free Up Disk Space: Delete unnecessary files and apps.
1. Move unwanted items to the Trash.
2. Empty the Trash.
Disable Transparency and Motion Effects: This frees up system resources.
1. Open System Preferences > Accessibility > Display.
2. Check Reduce Motion and Reduce Transparency.
Tidy Your Desktop: A clean desktop improves organization and frees up resources. Move or delete files from your desktop.
Reset NVRAM and SMC: This addresses potential hardware-related issues. (Instructions for resetting NVRAM on Intel Macs are provided in the original text. Instructions for M1 Macs differ.)
Manage Login Items and Launch Agents: Reduce the number of apps automatically starting at login.
1. Go to System Preferences > Users & Groups, select your account, and click Login Items.
2. Remove unwanted items using the minus icon.
Check Mac Compatibility with Big Sur: Ensure your Mac model supports Big Sur. (A compatibility list is included in the original text.)

Maintain Your Mac's Performance

Regular maintenance is key to sustained performance. Consider using a system cleanup tool to remove junk files and keep your Mac running smoothly. Avoid overloading your system with unnecessary files and apps to prevent future slowdowns.

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