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jakesaunders27
May 10, 2013, 01:14 AM
Hi,
Just tried to install the new Thunderbolt update from the mac app store and my macbook air restarts but then when it gets to the white screen with the grey progress bar it just goes black and restarts and then you can see the update back in app store again! does anyone know whats going on here?

Jake



justperry
May 10, 2013, 01:39 AM
Retry once more, if that does not work try reset PRAM/NVRAM and/or SMC, if this still does not work send feedback to Apple with your Mac model and OS X version.

https://www.apple.com/feedback/‎

jakesaunders27
May 10, 2013, 01:42 AM
Retry once more, if that does not work try reset PRAM/NVRAM and/or SMC, if this still does not work send feedback to Apple with your Mac model and OS X version.

https://www.apple.com/feedback/‎

tired again didnt work, how to you reset the pram and smc etc

Lil.Edward
May 10, 2013, 01:47 AM
you need to connect your charger to your mac in order to install it

jakesaunders27
May 10, 2013, 01:53 AM
you need to connect your charger to your mac in order to install it

that worked! thank you !

justperry
May 10, 2013, 02:05 AM
that worked! thank you !

Ah yeah, you should always connect it to the power, it's a safety measure, if your machine would run out of juice while updating you would likely end up with a non bootable Air, reason, this updates firmware, firmware is essential for any mac too work correctly.

I advise you and others to never update a Mac without a battery to update firmware while there is a bigger chance of power cuts like nearby thunderstorms.
The best way is to have it connected to a UPS while updating firmware.(Non battery powered Macs).
And on battery powered devices be sure the battery is full before updating firmware.