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How to handle the USB serial port invalidation of MacBook Pro

Source: Internet
Author: User
Tags macbook
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How to handle the USB serial port invalidation of MacBook Pro

2011-08-24 12:14:32| Category: Mac| Report | Font size Subscription

Today, open a computer, no end of a USB serial port failed, access to the mouse iphone did not respond ~ also thought it was hardware bad, rushed to the official online with Express Lane appointment of their advisors, in accordance with a few of their operations to reset the MBP hardware on the line-specific as follows Connect the Power off the first press shift+ctrl+opt+ Start button, wait 10 seconds, this 10 seconds is unresponsive, the screen will not light, the system will not run up 10 seconds after releasing all keys and then press Opt+cmd+r+p then press the power button, then the computer will continue to restart, during the period will not enter the system, The screen white black white black, the system sound also constantly sounded, four times after releasing all keys, broken USB and good flashing function to recover ~ That advisor said this is the system hardware conflict problem ~ No matter the sound is not, touch board did not respond to such can be solved ~

How to handle the USB serial port invalidation of MacBook Pro

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