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  1. Sickminecraft45

    Power Mac G5 help!

    Hi, I need help with my Power Mac G5! I tried to make a bootable USB for Leopard but when I go into the boot selector, the drive doesn't come up, when I try to launch the installer from Mac OS X, it just reboots into the OS, and when I try to boot into it from open firmware, it just shows the...
    • Sickminecraft45
    • Thread
    • 10.5 leopard mac os x open firmware power mac g5 prohibited prohibited sign sign usb usb boot
    • Replies: 16
    • Forum: PowerPC Macs
  2. Polybius

    Forbidden sign with Mojave Patcher

    Hey everyone :) I have a MacBook White 2009 with macos x Leopard 10.5.8 and intel core 2 duo 2.4Ghz. I followed the instructions of mac os mojave patch but when I start on ALT and I choose the boot usb key it shows me the forbidden sign. I also can not enter the recovery system with CMD + R. I...
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