Boot your MacBook in macOS Recovery Mode.If you use an M1 Mac, you don't need to reset NVRAM manually as it auto-resets when needed during your Mac startup. You can reset NVRAM to refresh the system settings and enable your slow Mac startup to become faster. If there's an error in NVRAM, your Mac can't start as quickly as it was. NVRAM (non-volatile random-access memory) is used to store OS-related settings to boost your Mac startup. You can download the equivalents of these apps to check if the previously installed ones have affected your startup process. To resolve the frustrating MacBook slow startup issue, you can try to uninstall the recently installed third-party apps, especially those you've downloaded outside of the App Store. That is why the startup speed of your MacBook Pro is lagged after you've installed these apps. Some third-party software is designed to run from the time your Mac loads the operating system.

Uninstall recently installed third-party or suspicious software When in Safe Mode, click the Apple icon > Restart to check if your Mac boots up quickly after safe booting.

Press down the Shift key and click Continue in Safe Mode.

Hit down the power button until the startup options and the Options gear icon show up on the screen.

Shut down your Mac and wait for a moment.

Since a Mac booting process contains loading and listing all items on the Desktop, you can tidy up your Desktop files and folders to shorten your long Mac startup process. Software incompatibility between the external devices and the Mac can also lead to abnormal Mac performance like a sluggish startup. Also, check if the connected peripherals are compatible with your Mac. You can disconnect those useless external devices. The system has to detect different types of peripherals simultaneously when booting. If you connect kinds of external devices such as a printer, hard drive, camera, and iPhone charger to your Mac via a USB hub, that is why your MacBook Pro is slow at startup. Disconnect unused peripheralsĭon't take your Mac as a hub for everything. Then, you'll find your Mac device takes less time to startup this time. To accelerate your slow Mac startup, you can select the Apple menu > Restart and uncheck “Reopen windows when logging back in” on the pop-up. This feature enables your Mac to back to the state as it was before turning off.

If your Mac boots far slower than a daily startup, check if you've checked in the Reopen windows when logging back in option on the restart confirmation alert.

Click Upgrade Now or Update Now and follow the on-screen guide to proceed with a software update.ĭon't reopen applications when rebooting Mac.

Click the Apple menu > System Preferences > Software Update.

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