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.

Mac cpu speed is slow