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モデル番号はA1347番で2.4もしくは2.66 GHz Core 2 デュオプロセッサが搭載されています。

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Unable to boot from Sys HD, Recovery HD, or USB, get white screen

Mac Mini A1347, 1TB SSD installed with 16GB memory. Was working fine for months, installed latest Sierra 10.12.2 update and white screen after restart! Tried PRAM/NVRAM and SMC resets. Get white screen after Apple logo appears and progress gets 1/2 way. Any suggestions?

Update (12/29/2016)

I had disconnected all peripherals and performed SMC reset, still would not boot up. Started up in Single user mode and ran fsck (file system check) with no errors. Created Sierra OSx installed USB stick. Started up in Disk Manager mode and selected USB, Sys HD, Recover 10.12.2 and all resulted in same outcome, white screen after Apple logo and progress bar 1/ 2 way completed.

Update #2

Removed 2 memory sticks and re-installed top stick in lower bank. Boots up to Apple logo and progress bar 1/2 way but now shuts down!

Update #3

Started up holding down Ctrl - D (windows keyboard) to run Apple Hardware Test. Ran 2 passes, no problems found.

Update #4

Started up in Safe Mode. In terminal prompt typed in fsck (file system check). Received the following;

  • Checking catalog file
    • Invalid node structure (4,3305)
  • The volume System HD could not be verified properly

Update #5

First, get the name of the partition of the failing volume. You can get it most easily by finding your disk in Disk Utility, selecting your partition (not the drive) and type cmd-i. Look for "Disk Identifier" right at the top.

Then, open up Terminal, and type this:

sudo /sbin/fsck_hfs -yprd /dev/disk5s2

substituting your disk identifier for the one already here. Keep the "/dev/" part. Enter your password, and wait. It may take a while. I have had this fail several times before finally working so its important to keep trying. It's faster than a reformat!!!

If the afflicted disk is your startup disk, you will need to do this in single user mode: restart the computer, hold down Command S, and wait for the terminal window to appear.

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from morning on wards i am trying facing the same issues my get restarted more than 50 times

さんによる

iam with a similar problem. please I need help. nothing seems to work. when I try to reinstal from a pen drive or even internet recovery after downloading it get stuck again in white screen. from bootable drive ends up stuck again. i have reseted nvram pvram. i have put an windows ssd and it works the boot but its impossible to reinstalt the osx anymore. please send ideias to jopavifranz@gmail.com.

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I would first try disconnecting all of the peripherals devices (other than the keyboard, mouse & screen). Are you able to start the system then? If not try doing a SMC reset now. Any difference?

The next thing is to start the system in single user mode - Holding down Command-S when you restart.

If you have access to a second Mac see if you can boot up in Target mode and then connect your other Mac to your mini to run Disk Utilities to see if something is messed up on the drive. You may want to back a backup of your data first and lastly reformat the drive & re-install the OS.

Update (12/29/2016)

The problem you are facing here is the boot sectors are messed up! You need a second Mac to fix this. I've never was able to fix a Node issue using Single User Mode. The problem is similar to what you face when you go the the shoe cobbler you need to take your shoe off for him to fix it ;-}

Here we need the system to be running off of a second disk (freeing the drive). Or the reverse, use a second system to access the drive which is by far the better way.

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what cable do i need to connect the two Macs?

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Here's a good reference on what it is: Target Disk Mode

So depending on what your other system is you'll need to find a compatible inter-connect (the faster the interface the better). Don't forget you'll want a system which is running the same MacOS (OS-X) at lease within a version or two.

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The external enclosure maybe faulty and are sometimes not the best places to test a drive.

Take the HDD out of the enclosure and plug directly into the main board. See if you can access it then.

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The external enclosure maybe faulty and are sometimes not the best places to test a drive.

Take the HDD out of the enclosure and plug directly into the main board. See if you can access it then.

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@lindabs - No external case being used here, just using the mini as if it were an external drive to a second Mac via Target Disk Mode as the drives format is damaged.

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times1 さん、ありがとうございました！
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