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L'aggiornamento di Marzo 2015 della linea 13" dei Macbook Pro con Retina Display (modello A1502) adotta processori Intel Core i5 ed i7 di quinta generazione, introduce inoltre il trackpad Force Touch.

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Downgrading from Big Sur takes over 18 hours

Hi there,

I have recently upgraded my A1502 to MacOS big sur, to my surprise it doesn’t seem to run well on my Mac. No issues I thought let me downgrade back to Mojave. Shift opt cmd r and off to recovery I went. Deleted the drive, I could see 4 volumes and removed them all just to be safe, formatted the drive, reboot and I am now happily installing OS X el captain. First it said 18 hours hhaha after 3 hours it’s at 13. Kinda afraid it shows correct time for once. Any idea how to speed this up? Kinda need the laptop

Thanks for any suggestions

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Cancel and re-download, if not working, change the network.

You have very little control over how the internet operates. If the resources and DNS direction is not working properly, all you can do is try a different one.

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Tried your suggestion, reset, switched from 5g to 2.4 and it managed to get to the halfway mark in about 10 mins before stopping completely

da

Sounds like you'll need to get a Ethernet dongle to directly plug into your internet routers Ethernet port. As your WiFi or internet connection may not be stable enough. Do you have a friend with a good internet connection? You may need to visit him.

da

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Roman Prochazka sarà eternamente grato.
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