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Version actuelle par : Dan ,

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Lets backup here… What happens when you run the onboard diagnostics? Press and hold the '''D''' key during boot up
 
[https://support.apple.com/en-us/HT201255|MacReference: [https://support.apple.com/en-us/HT201255|Mac startup key combinations]
[https://support.apple.com/en-us/HT201255|MacReference: [https://support.apple.com/en-us/HT201255|Mac startup key combinations]
 
As far as reprograming the system BIOS why is that your first direction? What’s the systems history.

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Contribution d'origine par : Dan ,

Texte:

Lets backup here… What happens when you run the onboard diagnostics? Press and hold the '''D''' key during boot up

[https://support.apple.com/en-us/HT201255|Mac startup key combinations]

As far as reprograming the system BIOS why is that your first direction? What’s the systems history.

Statut:

open