已解决： Unknown Problem shuts down on internet recovery. - MacBook Unibody Model A1342

Unknown Problem shuts down on internet recovery.

Hi,

The macbook has an unknown error that might also be caused by water accident or drop or just internal problems. (I dont know about the macbooks history)

i try to describe everything detailled:

normal startup ends on blinking folder with "?"
1. shutdown after this is only possible with long press on power button
  1. restart after this is only posiible after PRAM reset
AHT test ends without errors
Internet recovery starts
1. sees Wifi networks
  1. doesn't connect after correct Wifi-Key
    1. works with ethernet
      1. loads all data (progress bar)
        starts until i see grey "fabric" background for a very short time and then the system suddenly shuts down.
all this is reproduce-able

Does anybody have any suggestions?

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发帖于: 2013年7月13日

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Hi Nathan !

There are several things you may try.

At 1st, you may know that the folder with a "?" on it only means that your computer has detected no bootable system. This mabe means that your HD is dead for example. So you may try checking/Repairing it.
I do not recommend you to use an internet recovery. Because as you increase the number of intermediates (here, the network), so you also increase the chance to get unknown problems.
You may build and connect a USB install of OS X (this is well explained on the web) and try booting on it to check your drive with disk utility.
If this doesnt work, try downloading a bootable linux disk utility
To finish, you may visit this official page : http://support.apple.com/kb/TS1411?viewl...

Hoping to have helped you,

Give us some feedback !

Vincent

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I checked the disk and already tried another one --> not the problems cause.

When i start verbose it shuts down short after a "bug: launchctl.c:2486 [...] "

由 Nathan 完成的 2013年7月13日

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MacBook Unibody A1342

Unknown Problem shuts down on internet recovery.

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