From that time that Apple build a Mac computer and released for the public. However, most of the people those who are in touch with computers they are preferring Macintosh computers.

Therefore, Mac computers are having great quality and nice performance more than other computers. And Mac computers are one of the most famous popular computers in the current era. Welcome! Do you know what is macOS? macOS is an operating system which we can use only and only for Macintosh computers. Download Mac Os X Yosemite Iso Portugues.Your Mac will restart once the installation is complete.Select your startup disk and click Install.Click Continue and follow the on-screen instructions.Once you see the macOS Utilities screen choose the Reinstall macOS option.Start up your Mac pressing Shift-Option/Alt-Command-R.Apple recommends only system administrators follow these steps since a bootable installer isn't necessary to update or even reinstall macOS. Using an external drive, you can install or reinstall the Mac operating system on a supported device. Choose to format the disk image as DVD/CD Master, name the disk image and click Save.Ĭan you install macOS from USB? Use an external drive or USB to install a fresh copy of macOS.from the DU File menu select New | Disk Image from Disk 1.Open Disk Utility, and select the DVD/CD from the left side list (select the DVD/CD icon on top).Savez-vous s'il y a un disque dans le lecteur ?

Assurez-vous que le lecteur est répertorié dans le gestionnaire de périphériques, puis désinstallez le pilote. Vous devez confirmer que le lecteur est répertorié dans le gestionnaire de périphériques si le lecteur optique ne peut pas lire les fichiers.

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