• Become a Premium Member for $25/year with no ads to improve your community experience. Upgrade to Pro Account for faster response and no wait times!

high sierra error impossible contact the server

I cant get to this screen where i select the drive..i have only the first continue and the error
The Disk might be faulty then as it is failing to convert the disk into APFS. Restart the system, reset NVRAM twice and then check.
 
I try in 1 hour and half..
 
For reset nvram i need have only the driver right?
 
For reset nvram i need have only the driver right?
 
Okay thanks a lot for helping me
 
  • Like
Reactions: EliteMacx86
On sanitychecker say i have missing file: allownvramreset...and normally is set to yes
 
On sanitychecker say i have missing file: allownvramreset...and normally is set to yes

 
Nvram reset not work
 

Forum statistics

Threads
1,937
Messages
18,123
Members
27,844
Latest member
moraWooChang