ABenmlih Said:
”Activate mac: Can you please help?: Still have the same issue. there is problem with apple's server. The message is to try again. It has been over a month now.”
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Troubleshooting Installation:
A. Take a Photo of your Screen in a Reply:
Please provide a photo of your screen. Doing so, this can be seems firsthand.
B. Is this Powered On? Are you in Recovery Mode?
If there is a message, then it is power is back on. You still are trying to install the macOS, correct?
Ways to Connect:
A. Use Ethernet:
Try a hardwired connection, using an Ethernet cable, going Mac-to-Router. The adapter to use: The Belkin USB-C to Gigabit Ethernet Adapter - Apple
B. Try a Different Network:
If you have access to a different network, then try using that network to get this connection.
C. Leave Power Cord Plugged In:
Leaving the power adapter in will avoid the battery from draining.
D. Try Internet Recovery Mode:
Download the macOS through Apple’s servers. Go here: Use macOS Recovery on an Intel-Based Mac - Apple Support