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Apple Computing Products:
macOS - Notebook Hardware
Macbook won't start after being connected to a powered USB hub
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<blockquote data-quote="Globesearch" data-source="post: 315080" data-attributes="member: 26363"><p>Well, I think the hub was supposed to operate on about 5 Volts and 500mA, but I fired it up with an adapter which pumped out 12 volts and about 1 amp.</p><p></p><p>Unfortunately, it won't start for me to be able to do anything with PRAM or firmware - and of course it won't accept the startup DVD.</p></blockquote><p></p>
[QUOTE="Globesearch, post: 315080, member: 26363"] Well, I think the hub was supposed to operate on about 5 Volts and 500mA, but I fired it up with an adapter which pumped out 12 volts and about 1 amp. Unfortunately, it won't start for me to be able to do anything with PRAM or firmware - and of course it won't accept the startup DVD. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
Macbook won't start after being connected to a powered USB hub
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