After erasing my internal hard drive on my iMac (mid 2010) , I attempted to reinstall macOS(High Sierra) and got an error code saying "The recovery server could not be contacted". How can I reinstall macOS?
If you iMac was upgraded for Internet Recovery (Computers that can be upgraded to use OS X Internet Recovery - Apple Support), try Command+Opt+R and check. You need to have an Internet connection to use Internet Recovery.
The other options are
If you iMac was upgraded for Internet Recovery (Computers that can be upgraded to use OS X Internet Recovery - Apple Support), try Command+Opt+R and check. You need to have an Internet connection to use Internet Recovery.
The other options are
Reinstalling MacOS on iMac after erasing the hard drive
