this trick comes in handy if your mac is running slow, has issues, easiest way to format factory reset your mac (macbook pro, retina, air, imac, mac pro).
this works for any mac including sudo applications install\ os\ x\ el\ capitan.app contents resources createinstallmedia volume volumes untitled this is how to factory reset your mac on os x el capitan.
Very easy way to reinstall mac if you are thinking about selling your computer or simply need to install a fresh copy os x el look here for the command line* in this tutorial, i teach you hoe to make a bootable usb drive with os x el capitan pre loaded on how to erase all data on a mac, how to factory reset a mac, and how to reinstall macos. Mac : Factory Reset Fresh Install ( Os X El Capitan ) type a name for the volume in the name field, click the format pop up menu and choose apfs, then click. in disk utility, select the volume you want to erase in the sidebar, then click erase in the toolbar. in the recovery app window, select disk utility, then click continue. Choose apple menu > restart, then immediately press and hold command r. step 3: start the installation of macos sierra on the non startup drive. step 2: download the macos sierra installer from the mac app store. step 3: clean install macos sierra on your startup disk. basically, a clean install involves erasing the mac drive and starting fresh with a new installation of os x 10.11, and users who opt for clean installs usually rely on their own personal backups to restore their personal file and data. Some mac users may like to perform what is known as a clean install with os x el capitan. How To Factory Reset Hard Reset Your Macbook Os X El Capitan i even did the terminal trick to set the disk sleep to. all my energy saving sleep settings are set to never. So basically, unless you are working on the computer constantly, the file access freezes and puts the computer in a state where even simply trying to open a folder brings up the spinning ball and takes 15 30 seconds to get to normal. if the installer doesn't see your disk, or it says that it. follow these guidelines during installation: if the installer asks to unlock your disk, enter the password you use to log in to your mac. To begin installation, select reinstall macos from the utilities window in macos recovery, then click continue and follow the onscreen instructions. this trick comes in handy if your mac is running slow, has issues, is changing hands, or is being s. This is how to factory reset your mac on os x el capitan. Very easy way to reinstall mac if you are thinking about selling your computer or simply need to install a fresh copy os x el capitan follow the tutorial to. select reinstall os x and click on the continue button.
quit disk utility and return to the utility menu.
set the format type to mac os extended (journaled.) click on the apply button, then wait for the done button to activate and click on it. Click on the erase icon in disk utility's main window.