How to startup a MacBook pro with bad OS
I started to install the new OS Sierra when I saw a note pop up that said that my Version of Quicken would not work. I shutdown the computer to stop the Sierra installation. Now i cannot startup the computer using Command R. I get a message that says my computer has a problem and to press any key. Then i get some jibberish in the upper left corner of the screen for a few seconds. Then the cycle starts over. I have an external HD with OS 10.11.6 on it but cannot get to it to restart the computer. HELP
1 Answer
Try here...http://www.macworld.co.uk/how-to/mac/10-steps-take-when-your-mac-wont-start-up-or-turn-on-3423817/
7 years ago. Rating: 1 | |
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