I'm upgrading to high Sierra by clean install. I have my bootable USB drive. I've already erased my disk. I clicked install. I chose my SSD Drive. I clicked 'agree'. It finished 8 minutes of loading. Went to a black screen then white with grey apple logo. It's stuck on the first 1/10 of the loading bar. It doesn't seem to be loading. Then after a couple of minutes it's back with disk utility/macOS Utilities and its like I have to start over again. I don't get to the WELCOME part. I don't understand what's wrong. What can I do about it? Please help me.
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INSTALLING HIGH SIERRA FAIL. always goes back to disk utility
- Thread starter yntheng
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arghhh. I shouldn't have tried to upgrade my OS. I was on Sierra and I my 6yhn keys are suddenly not working. I was just hoping upgrading to High Sierra would help. Now I can't use my Mac completely. PLEASE HELP ME. can you be a little more specific on how to fix this?
OP: You can see the log during the install by pressing Command-L keys. Alternatively if you have previously made a clone you could open Console and browse the logs (assuming you didn't erase the drive after the failed install?)
Without log its difficult to say what went wrong. But if you have a working backup you can simply restore it to internal drive.
If you don't have a working backup then its going to be more complicated. You can try erasing the internal drive while booted in the usb installer and trying install again. This time make sure to open the log immediately to see possible error messages.
Alternatively you could install into external hard drive/SSD then create new user and test if everything works. If it works you can simply clone it over the internal drive and then select it in the System preferences as the starting drive.
Without log its difficult to say what went wrong. But if you have a working backup you can simply restore it to internal drive.
If you don't have a working backup then its going to be more complicated. You can try erasing the internal drive while booted in the usb installer and trying install again. This time make sure to open the log immediately to see possible error messages.
Alternatively you could install into external hard drive/SSD then create new user and test if everything works. If it works you can simply clone it over the internal drive and then select it in the System preferences as the starting drive.