High Sierra Install hangs on blank grey screen (iMac 5k 2015 27”)


i’m trying install high sierra , after while during installation (black screen installation progress bar), it’ll restart , boot blank grey screen. @ point, after waiting 15 minutes, hard reset mac , whole thing starts on again.

i’ve done 3 times , each time ends reboot , blank grey screen nothing happens. must do?
 

try thread. might of help.
 


Forums Macs macOS macOS High Sierra (10.13)


  • iPhone
  • Mac OS & System Software
  • iPad
  • Apple Watch
  • Notebooks
  • iTunes
  • Apple ID
  • iCloud
  • Desktop Computers
  • Apple Music
  • Professional Applications
  • iPod
  • iWork
  • Apple TV
  • iLife
  • Wireless

Comments

Popular posts from this blog

How would you like to be sentenced by a computer program?

MBP extremely slow, HDD cable replaced, what next?

How much is my cMP worth?