How to fix a slow boot mac and make it run faster in startup?

How to fix slow boot mac? Since you're open to more technical methods, these Terminal commands address common startup bottlenecks.

1. Rebuild the Spotlight Index
Spotlight re-indexing after an update can cause massive startup delays. To force a rebuild:

bash
sudo mdutil -E /

This erases and rebuilds the index. Your Mac may be slow for a while as it re-indexes, but boot times should improve after.

2. Check for Hidden Launch Agents
Some startup items don't appear in the normal Login Items list. Check these folders in Finder:

/Library/LaunchAgents
/Library/LaunchDaemons
~/Library/LaunchAgents (your user folder)

Move any suspicious .plist files to your Desktop temporarily to test if they're causing the delay.

3. Clear System Caches
Safe Mode does this automatically, but you can also manually clear the most common cache folders. Move (don't delete yet) the contents of:

~/Library/Caches
/Library/Caches

Restart and see if boot time improves.

A failing SSD can cause extremely slow boots even with plenty of free space.

Check S.M.A.R.T. Status:

• Go to About This Mac > System Report.
• Under Hardware, look for NVMe or SATA depending on your model.
• Find your drive and check the S.M.A.R.T. Status. It should say Verified or Normal. If it says Warning or Failing, back up immediately and consider replacing the drive.

Run First Aid:

• Boot into macOS Recovery (hold Command + R at startup).
• Open Disk Utility.
• Select your startup disk (the physical drive, not just the volume).
• Click First Aid and run it.

A 10-minute boot on an SSD is a red flag, but these steps can clearly inform you of how to fix slow boot ma or tell you exactly what's wrong.