remeshtr

Level 1 (0 points)

Q: when we switched on the imac, there is a prohibitory sign with grey back ground is appeard. how we can resolve it?

when we switched on the imac there is a prohibitory sign with grey background appears. how we can resolve it ?

Posted on Oct 9, 2015 8:10 AM

I have this question too

Q: when we switched on the imac, there is a prohibitory sign with grey back ground is appeard. how we can resolve it?

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by rkaufmann87,

rkaufmann87 Oct 9, 2015 8:53 AM in response to remeshtr
Level 9 (58,914 points)

Photos for Mac

Oct 9, 2015 8:53 AM in response to remeshtr

This indicates your Mac cannot find a valid system folder to start from and you need to reinstall OS X if you can. Please carefully read About the screens you see when your Mac starts up - Apple Support, look for the section titled Prohibitory symbol.

Good luck
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