I recently purchased a MacBook Pro mid 2009 but they did not reset it prior to selling it to me . How to reinstall macOS if Recovery won't work. macOS Recovery (often referred to as Mac Recovery Mode) was introduced back in 2010 with OS X 10.7 Lion.

Recovery Mode is a special mode that loads macOS’ built-in recovery tools from a special disk partition that holds a recovery image along with a copy of the macOS installer. Four Ways to Fix "Mac Won't Boot into Recovery Mode" In some instances, Mac users try to resolve some common disk errors or some other issue with Mac and they find out that the Mac recovery mode is stuck. How would I go about doing that with this laptop. 1. Ive tried all sorts of things to repair it, as well as replacing the Hard drive with a Crucial MX500 SSD but nothing is working properly. + R. You will need to hold the keys until a … As soon as you hear the startup chime, hold Command (?) I have a MacBook Pro Mid 2009, it’s no longer booting properly from the existing hard drive and just gets stuck at the loading screen and eventually reboots in a loop. Recovery Mode is possible thanks to the installation of a hidden recovery partition on your Mac’s hard drive and allows the user to perform the aforementioned tasks without needing a macOS DVD or USB installer.To perform recovery tasks on older versions of macOS, such as OS X 10.6 Snow Leopard, users needed to boot from the install DVD.. A recovery partition will be created by default on … 2. If you’re currently using it, hit Restart.

... You could use Internet Recovery Mode - an option that we will discuss in more detail below. I want to completely reset it and start over. I have no idea what updates they have done to it or if it has a disk. If the Mac won’t boot into recovery mode, it means you have to use the Internet connection and Apple server to look for a possible solution. You can only use Recovery Mode from the startup drive. Help please! In some instances, when it is pertinent for users to restart their MacBook via the recovery mode, they might be distraught to discover that the mac recovery mode is not working. To start your Mac in Recovery Mode, first, if your Mac is turned off, switch it on. ... Apple updates the 16-inch MacBook Pro I’ve tried recovery mode and it will not work (command + R) .