I am using Lan Card in Mac OS version Yosemite. When i remove Lan card it shut down system automatically with some message in chineze language. Before updating to yosemite it works fine.

I am using Lan Card in Mac OS version Yosemite. When i remove Lan card it shut down system automatically with some message in chineze language. Before updating to yosemite it works fine.

Sounds like a kernel panic. Lag the panic and post it here:
Mac OS X: How to log a kernel panic
BTW, this is the Mac Pro desktop forum.

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