Normally, a Mac takes 30 seconds (or less) to start up, depending on whether the machine is loaded with a hard drive or solid-state drive.
But if it takes much longer (or forever) to reach the first screen, then something is definitely wrong.
We’ve found 7 possible causes accountable for the issue, together with relevant tweaks to help you fix it. Hopefully by doing so you can speed up the boot a little bit, and spend the time getting more work done.


1. You’ve Got Too Many Startup Items
2. Startup Disk Is Getting Full
3. Third-Party Device Connections
4. NVRAM Issues
5. Macintosh Disk Issues
6. MacOS Update
7. Mac Hard Drive Is Failing

Okay, these are the 7 possible reasons and fixes for troubleshooting the Mac slow startup issue. Learn more and you'll solve your problems: Mac Slow Startup? 7 Possible Causes And Fixes、