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Hi, i try to install Sierra on an acer 3830TG. i followed the installation guide. now the installation prozess halted on os boot logo. in verbose mode i get at least some lines: "Sound assertion in AppleHDA" somebody any ideas?

hi, the bootprocess to OS fails .... I use Clover to boot to Yosemite, but after one day every boot ended in a Boot Stop and a Reboot. I can read sth about "I/O error" and "journal magic is bad" but is that the main error? Is there a option to fix it? Thx