

In the OS X installer window, press Restart:


Terminal will confirm that the date has been changed with a line of output that displays the new date. Turn Wi-Fi off or unplug the Ethernet cord, depending on your configuration, to prevent your Mac from connecting to the Internet:Īnd type date 0115124517 (this will reset the date to Jan 1st 12:45 2017). When the OS X installer complains that "No packages were eligible for install" and displays this window: Learn more.Īs explained here, OS X 10.11 "El Capitan" fails to install because it is too old (the technical reason being that the signing certificate is no longer valid).īut you can trick the OS X installer into thinking that it is 2017 and it will happily run without any errors. Comments on this answer have been disabled, but it is still accepting other interactions.
