By Alana, 11 September, 2014 Forum macOS and Mac Apps Is it accessible to do a reinstallation of Mavericks with no vision at all? Options Log in or register to post comments Comments Yes Yes the reinstall of a mavericks install is very accessible from start to finish. commands for re-installing the opperating system Hello. To re-install the opperating system, do the following. 1. when the computer starts, right after you hear the startup sound, hold down command, and r. 2. hold those keys down for a few seconds, and the mac should boot in to the recovery drive. 3. After the mac is booted, press command f five. Voice ofer should start up right away, and you can continue with the installation.