400      iPhone_iPad_Mac_apple

command r is not working in high sierra

command r is not working in high sierra, nor is using the shift button for safe boot,nor is the D button for the hardware test.High sierra was installed on 9/27/2017 on a late 2013 iMac with 28 gb of ram.This has never happen before.

Have you tried an NVRAM reset?

How to reset NVRAM on your Mac - Apple Support

Have you tried an NVRAM reset?

How to reset NVRAM on your Mac - Apple Support

最後更新：2017-09-29 02:31:24

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