To fix a slow MacBook, you should first understand why its performance speed has decreased. Here are some possible reasons why is your MacBook so slow.
It may be problematic to uninstall preference panes when the related software has been uninstalled incorrectly. Learn how to delete System Preference panes from Mac.
The XCode uninstallation differs from simple application removal. In this article, we will share the correct way to uninstall XCode on Mac with Terminal.