From kalilinuxtutorials.com
Macbooks are durable and reliable. However, if you have had the same Mac for many years, you may start to notice that it is not performing as great as it did when you first bought it.
But does this call for a buying a new replacement? Not necessarily. While spending money on another computer is an option, you can still improve the performance of your current Macbook. Investing in new hardware like RAM or a solid-state drive would help, but even those who have no budget to spare can change things for the better.
Below, you will see the list of the most common Macbook performance issues and solutions to these issues. Read what you can do and get to fixing your Macbook.