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Every time when I switch on my MacBook Air M1 diagnostic opens. I choose language and is waiting for session. Nothing happens. In a bottom left corner displays “ serial number not se.t. Any idea what can be wrong with it ?
Try the following:
Click ▶︎ Mac Startup Options.
Click ▶︎ Mac Startup Methods.
Need more help?
Try the following:
Click ▶︎ Mac Startup Options.
Click ▶︎ Mac Startup Methods.
Need more help?
I have tried all options. Nothing helps
MacBook Air M1 booting diagnostic only
