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Versão atual de: mugszee ,

Texto:

It sounds like one of those software updates was a firmware update that failed. Try booting to the original USB drive and see if it'll just start up ok. If it starts up just fine from that, then your problem is in your system, not hardware. If it does the same behavior, then it's probably firmware, & I think to correct a failed firmware update, you must be able to boot to an installed OS on a drive with the firmware updateupdater on it, so this may require a trip to an Apple store to resolve.
It sounds like one of those software updates was a firmware update that failed. Try booting to the original USB drive and see if it'll just start up ok. If it starts up just fine from that, then your problem is in your system, not hardware. If it does the same behavior, then it's probably firmware, & I think to correct a failed firmware update, you must be able to boot to an installed OS on a drive with the firmware updateupdater on it, so this may require a trip to an Apple store to resolve.

Status:

open

Postagem original de: mugszee ,

Texto:

It sounds like one of those software updates was a firmware update that failed. Try booting to the original USB drive and see if it'll just start up ok. If it starts up just fine from that, then your problem is in your system, not hardware. If it does the same behavior, then it's probably firmware, & I think to correct a failed firmware update, you must be able to boot to an installed OS on a drive the firmware update on it, so this may require a trip to an Apple store to resolve.

Status:

open