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Ashik
Ashik, Mac Technician
Category: Mac
Satisfied Customers: 9926
Experience:  Bachelor of Computer Application (BCA), 9+ Years of Experience in troubleshooting Macs, iPhone, iPad, iPod etc
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MacBook Pro air keeps flashing. Won't open any applications.

Customer Question

MacBook Pro air keeps flashing. Won't open any applications. Have had problems startup disc full. Now can't even open trash or finder to delete. It will open under guest but not on my user (where my files are) can't do anything. The apple in left won't show either.
Submitted: 1 year ago.
Category: Mac
Expert:  Ashik replied 1 year ago.

Hi and Welcome. My Name is ***** ***** I look forward to assisting you today with your question.

We need to free atleast 2GB so that Mac will bootup. Lets clear some old temporary system files from your Mac. Turn your Mac off. Turn it back on and immediately hold down the Command (Apple) key and the S keys at the same time. Then type the following command when it boot into black screen with white letters, hitting return after each commands. Make sure you enter them correctly and note the spaces between commands.

mount -uw /

rm -rf /Library/Caches/*

rm -rf /Users/*/Library/Caches/*

reboot

Hit return after entering reboot and then immediately hold down Shift key for 20 seconds. Then login to your account and delete some unwanted files, movies, musics etc and empty the Trash. Let me know if you get any errors when you run the commands.