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Mac Startup Disk Full - Fix Guide

"Your startup disk is almost full" — here's how to free up space fast.

⏱️ 15-45 minutes 💪 Intermediate 💰 Free

📊 Check What's Using Space

  1. Click Apple menu → About This Mac
  2. Click More Info → Storage Settings
  3. See breakdown by category
🔧 Fix #1: Empty Trash
  1. Right-click Trash in Dock
  2. Click Empty Trash
  3. This can free up GB instantly
🔧 Fix #2: Clear Downloads Folder
  1. Open Finder → Downloads
  2. Sort by Size (View → Show View Options)
  3. Delete old installers and files
  4. Empty Trash
🔧 Fix #3: Use Storage Management
  1. Apple menu → About This Mac → Storage → Manage
  2. Enable Optimize Storage
  3. Enable Empty Trash Automatically
  4. Review Large Files and delete unneeded ones
🔧 Fix #4: Clear System Cache
  1. Open Finder, press Cmd + Shift + G
  2. Type: ~/Library/Caches
  3. Select all folders, move to Trash
  4. Empty Trash
  5. Restart Mac
🔧 Fix #5: Delete Old iOS Backups
  1. System Settings → General → Storage
  2. Click iOS Files
  3. Delete old iPhone/iPad backups
🔧 Fix #6: Uninstall Unused Apps
  1. Open Finder → Applications
  2. Sort by Size
  3. Drag unused apps to Trash
  4. Use AppCleaner for complete removal

💾 Need More Storage?

External SSDs on Amazon - Fast USB-C drives for Mac

🔧 Fix #7: Clear Time Machine Snapshots
  1. Open Terminal
  2. Type: tmutil listlocalsnapshots /
  3. Delete with: sudo tmutil deletelocalsnapshots [date]
🛠️ Need Professional Help?

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