Managing a prohibitory sign at os x bootup.
Macbook no entry sign on startup.
Either the system on the hard drive has been corrupted and it can t boot from it or the hard drive itself is damaged.
Macbook pro 13 retina display late 2013.
I created a bootable usb using disk creator and attempted to boot from it so i can load the os onto the new drive.
This means one of two things.
When starting your mac if you run into a prohibitory sign and the system will not boot there are a couple of things you can try to address the problem.
Thanks for the a2a.
But i keep seeing the no entry icon.
Learn what to do if your mac starts up to a circle with a line through it prohibitory symbol.
Mac os x has several bootup symbols including a universal prohibitory sign that indicates critical files are missing from the boot volume.
If your mac doesn t start up all the way or needs you to do something during startup it might stop at one of these screens.
29 2010 10 33 a m.
Model a1502 2 4 2 6 or 2 8 ghz dual core intel processor released october 2013.