When an operating system updates, the applications that run on it typically need to be upgraded as well to accommodate or exploit any changes in the operating system. Make sure your applications are up to date. Keep holding the keys down until your Mac restarts and makes an audible beeping sound and the NVRAM/PRAM will be reset Immediately press and hold down the option key, the command key, the P and the R keys at the same time. Power off the Mac and leave it be for 30 seconds. Release these three keys and then turn Mac back on as you would normally and the SMC will be reset Press the left shift key, left option key and the control key all at once and hold down for 10 seconds.

Leave the Mac off for 15 seconds and then plug in the power supply. Shut down and power off the Mac and unplug the power supply.Resetting the SMC on a MacBook Air, a MacBook Pro, or a MacBook.Wait for a further 5 seconds and then turn Mac back on as you would normally and the SMC will be reset Leave the Mac off for 15 seconds and then plug in the power cable. Power off the Mac and unplug the power lead.Resetting the SMC on an iMac, MacPro, Xserve, or MacMini.Reset the System Management Controller (SMC) and NVRAM/PRAM which should increase the boot up sequence.In order to reset your SMC you need to know which type of Mac you have as there is a different procedure for different models which we will cover here Check which applications are running on launch and remove unwanted applcations by clicking the padlock in the bottom left corner to make changes, then selecting the application from the list then clicking the minus symbol below the list. To check login items go to System preferences, select Users and Groups and then for your user, click the Login Items button on the right. When you start up your computer, there may be applications that automatically start when you login, this could have a significant impact on your computers performance and it could be applications you don't even use. Check your login items and disable those you don't need. The problem is that some older Apple computers that have Intel processors, that upgraded to Big Sur have suffered with performance, here are a few tips on how to speed your Apple computer up if it is running slow Apple released its latest operating system MacOS Big Sur in conjunction with the launch of their new processor architecture, the Apple M1 chip, which is being rolled out in newer Apple computers.

How to speed up audible on mac