I have a few MacPro3,1's at my school I'd like to update to El Capitan 10.11.6. Currently they're running 10.5.8. I've got really slow WiFi-internet access, but the MacPro's do not have Airport. How ...

Before you can turn the NetInstall service on you need to create a network disk image to boot from. The easiest image to create is a NetInstall image, which lets you install or update an operating ...

I booted up the El Capitan USB installer media holding down Option (Alt on my keyboard) but for the life of me I could not figure out why the installer, Disk Utility, and RAID utility couldn't see the ...