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prohibitory symbol
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Anyone else's MacBook still slow after Thursday's debacle?
I'm running Sierra on an old 2012 13-inch MacBook Pro. Everything slowed to a crawl on Thursday, presumably from the same ocsp problem everyone else experienced. My laptop eventually shut down after freezing totally, and upon reboot, it presented me with the prohibitory symbol (?). I figured it... -
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Prohibitory symbol on boot with new Samsung 860 Evo SSD in 21.5" iMac Mid 2011
Hello all, I recently bought a 500 GB Samsung 860 EVO 2.5” form factor SSD to swap it out with the primary HDD in a mid 2011 21.5” iMac. Problem is, the computer doesn’t boot (shows a prohibitory sign) whenever the 860 is inside the chassis and connected to the motherboard through SATA, however... -
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Help. How do I fix a prohibitory symbol on iMac?
Help. How do I fix a prohibitory symbol on iMac? I tried restarting the machine and it doesn't work. I have the wiress trackpad and mouse. Are these able to connect to the iMac with this screen? Thanks! -
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No help from Apple support, told it was time to visit the Apple store. Can anyone help?
I believe that my Macbook air had a virus, so I tried to restore it to it's original system. Now it only shows a black screen with a circle with a line through it. They apparently call it the Prohibitory symbol. Apple support told me to do the command-R and reinstall MacOS. After a few...- Jewelzez
- Thread
- blonde problem? can not reinstall macos circle with a line through it on a black screen macbook air macros problem? prohibitory symbol volume problem?
- Replies: 15
- Forum: MacBook Pro