tried updating to mac os high soerra. now my mack book pro keeps restarting. the download never finished. what do i do?
I can’t get my MacBook Pro to stop restarting
Do the following:
start while holding the CMD+R keys, it will start (slow) in the Recovery Partition.
From the main menu choose "Install macOs", it will reinstall HighSierra if it is there enough or it will reinstall Sierra and then it restarts. There must be an internet connection of course. It will take some time.