orangelosa.blogg.se - How to reinstall mac pro

“Installer information on the recovery server is damaged” is an error you may see displayed on your screen when trying to reinstall macOS. Specifics if macOS Sierra 10.12.4 (or later) has never been installed on your Mac:.Installer information on the recovery server is damaged fix.

This will take you into the boot manager where you can select the USB drive as the boot volume. When you get the installer created, simply put it into a USB slot, and hold the ⌥ Option key while booting.

take it to an Apple store and they will assist with the installation.

have a friend with a Mac download and create the installer for you.

The best way to get this installed would be to get ahold of an El Capitan USB Installer and install it that way. The 2008 Mac Pro originally came with Leopard (10.5.x) but can run El Capitan (10.11.x). Resetting your SMC/NVRAM is Internet folklore that it somehow fixes things when in reality, in 99.99% of the cases, it's not related to the problem at all. The NVRAM is your pre-boot environment that sets things like which partition is your startup volume or what the screen resolution at boot should be. Did you have an install disk loaded? If not, it's not going to do anything

Holding the C key tells the Mac to boot from the CD/DVD drive. I have tried holding down the C-key on startup. Yes, you can "brick" things but that's usually a firmware issue or in Apple's case, a security "thing" that you couldn't either unlock the firmware or the FileVault encryption. Of course you can, there's no Mac (or any computer for that matter) that has been irreparably limited to never running it's native operating system ever again. Can I reinstall macOS on my Mac after it's been turned into a Linux box?