清理磁盤空間：使用macOS內(nèi)置存儲(chǔ)管理工具將文件移至iCloud、刪除無用的大文件和應(yīng)用，并啟用自動(dòng)清空廢紙簍；2. 減少登錄項(xiàng)和后臺(tái)應(yīng)用：在系統(tǒng)設(shè)置中移除不必要的開機(jī)啟動(dòng)程序并手動(dòng)退出正在運(yùn)行但不需要的菜單欄應(yīng)用；3. 清除緩存和臨時(shí)文件：通過Finder前往“~/Library/Caches”并刪除各應(yīng)用緩存內(nèi)容以釋放空間；4. 更新系統(tǒng)和應(yīng)用：安裝最新的macOS版本及第三方應(yīng)用更新以獲得性能優(yōu)化和修復(fù)；5. 必要時(shí)重置SMC和NVRAM：針對(duì)Apple Silicon或Intel芯片分別執(zhí)行電源管理重置操作以改善響應(yīng)速度和電源問題；此外，定期使用活動(dòng)監(jiān)視器檢查資源占用、減少瀏覽器標(biāo)簽數(shù)量并重啟Mac可進(jìn)一步提升性能，這些常規(guī)維護(hù)措施能有效恢復(fù)并保持Mac的運(yùn)行速度。

A slow Mac can be frustrating, but the good news is that most performance issues can be fixed with a few smart cleanup steps. Here’s how to clean up your Mac to make it faster—without needing third-party tools right away.

1. Free Up Disk Space

A nearly full hard drive (especially under 10–15 GB free) can seriously slow down your Mac. macOS needs breathing room for virtual memory and temporary files.

What to do:

• Click the Apple logo > About This Mac > Storage > Manage.
• Use the built-in recommendations:
  • Store in iCloud: Move files to iCloud and remove them from the local drive.
  • Optimize Storage: Automatically remove watched movies, old email attachments, and large files you haven’t used.
  • Empty Trash Automatically: Enable this so deleted files don’t linger.
• Manually delete large files: Look in Downloads, Movies, and Documents folders for things you don’t need.
• Uninstall unused apps by dragging them from the Applications folder to Trash (then empty it).

2. Reduce Login Items and Background Apps

Too many apps launching at startup can make your Mac take forever to boot and feel sluggish.

How to fix it:

• Go to System Settings (or System Preferences on older macOS) > General > Login Items.
• Review the list and remove apps you don’t need running at startup (e.g., Dropbox, Slack, printer tools).
• Click the gear icon and choose Remove or Hide.

Also, check the menu bar for apps running in the background. Quit ones you aren’t actively using (right-click > Quit).

3. Clear Caches and Temporary Files

Over time, apps and the system build up cache files that can clutter your drive.

Safe way to clean caches:

• Open Finder, press Command Shift G, and type:

  ~/Library/Caches

• This folder contains caches for all your apps. You can safely delete the contents of most subfolders (but not the folders themselves).
• Avoid deleting anything in /System/Caches unless you know what you’re doing.

Note: Some apps may take slightly longer to open the next time as they rebuild caches—this is normal.

4. Keep macOS and Apps Updated

Apple frequently releases performance improvements and bug fixes.

Make sure you’re up to date:

• Go to System Settings > General > Software Update.
• Install the latest macOS version if available.
• Update apps via the App Store or directly from the developer (e.g., Adobe, Microsoft).

Outdated software can cause slowdowns or compatibility issues.

5. Reset SMC and NVRAM (if needed)

If your Mac still feels slow—especially with fans running high or power issues—resetting system management controllers can help.

For Apple Silicon Macs (M1/M2/M3):

• Shut down the Mac.
• Wait 30 seconds, then press and hold the power button for 10 seconds.
• Release, then turn it back on.

For Intel Macs:

• SMC Reset: Shut down, then press Shift Control Option Power (all at once), hold 10 seconds, release, then power on.
• NVRAM Reset: Restart and immediately hold Command Option P R for about 20 seconds.

These resets can improve responsiveness and power management.

Bonus Tips:

• Use Activity Monitor: Open it (via Spotlight) to see what’s using CPU, Memory, or Energy. Quit resource-hogging apps.
• Avoid too many browser tabs: Safari and Chrome can eat up memory. Use tab groups or a tab suspender extension.
• Restart your Mac regularly: Clears temporary files and resets memory usage.

Cleaning up your Mac doesn’t have to be complicated. Focus on freeing up space, trimming startup apps, and keeping things updated. Most performance gains come from simple, regular maintenance.基本上就這些。

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