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![]() If the date was wrong, it was likely that which caused the error, and after you quit the terminal it should be able to install OS X just fine. You can then check if it was set correctly by running the first command again. Which means, you can just enter it exactly like this: date -uĮnter the command and hit return. I tried again, but I fail to download again. It may have been corrupted or tampered with during downloading. To avoid trouble with timezones, we will use UTC time instead (). I’m trying to update to OS X Yosemite 10.10.4, it’s been the fourth time of me downloading and restarting and it still says This copy of the Install OS X Yosemite application can’t be verified. Below you see what the command should be for your current time and date –. This command will be entered as follows: date -u Įvery bracket should be replaced with a two-digit number based on UTC time. For some reason, it might have been reset to 2001, in which case we need to set it to the right date. The result of this command will be the date that the system currently has been set to. Once in the terminal enter the following command and hit return/enter: date MacBook Pro Models macOS Big Sur macOS Catalina macOS Mojave macOS High Sierra macOS Sierra OS X El Capitan OS X Yosemite OS X Mavericks OS X Mountain Lion Mac OS X Lion Mac OS X Snow Leopard Mac OS X Leopard Mac OS X Tiger 11: 10.15: 10.14: 10.13: 10.12: 10.11: 10.10: 10.9: 10.8: 10.7: 10.6: 10.5: 10.4: MacBook Pro (13-inch, M1, 2020) Yes: No. You can check this by going to utilities and opening the terminal. 30, when Apple released the 'golden master' (GM) of OS X 10.10 in the last three years, Apple has issued the GM 19, 16 and 19. Now, if you haven’t used your Mac for a while, the error might be caused by an incorrect system date setting. 21 will be Yosemites debut came Tuesday, Sept. 2020 Apple MacBook Pro (13.3-inch/33.78 cm, Apple M1 chip with 8core CPU and 8core GPU, 8GB RAM, 512GB SSD) - Space Grey 1,297 1 offer from 1,28,900. When you’re booting your Mac from the recovery partition and are planning to reinstall OS X, you might be met by the following message:Īn error occurred while preparing the installation. These Mac models are compatible with OS X El Capitan: MacBook (Early 2015) MacBook (Late 2008 Aluminum, or Early 2009 or newer) MacBook Pro (Mid/Late 2007 or newer) MacBook Air (Late 2008 or newer) Mac mini (Early 2009 or newer) iMac (Mid 2007 or newer) Mac Pro (Early 2008 or newer) Xserve (Early 2009) Feature Requirements. March 2013 Changing system date from Terminal – OS X recovery
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