iMac, restarts or shut down itself when playing music from iTunes.

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Hi,

I'm new to apple product. I have a iMac 21.5" Intel i5, whenever I turn on iTunes and play music, after a while it will stop and closed on my iMac. There wasn't any that stop it. It wasn't because the music has ended, it just stop abruptly. Otherwise, sometimes My iMac would shut down itself or restart.

In windows there is something called Event Viewer which you can refer to to check if there is anything wrong with the registry or OS; may I ask if there is any of such thing in iMac?

Thank you.
 
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Go into Utilities > Console and post the log here.

Maybe overheating or hard drive failing.
 
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Hi Harryb2448,

May I ask is there anyway to determine whether is it hard drive failing? windows has a chkdsk in cmd and event viewer, does Mac has such thing?

Thank you.

Josh.
 

IWT


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May I ask is there anyway to determine whether is it hard drive failing?

It depends on what Operating System you have. I don't think you mentioned this.

If it is Lion or more recent, you can reboot the Mac whilst holding down the Command + R keys. This will take you into Recovery Mode. There you will see various options, one of which is Disk Utility (DU). Click on that and run "First Aid" on your Mac HD.

It will look for problems and try to repair faults if it can. When finished, reboot as normal.

However, as Harry advised, posting the Console logs will provide useful information about why the Mac shut down.

Ian
 
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It depends on what Operating System you have. I don't think you mentioned this.

If it is Lion or more recent, you can reboot the Mac whilst holding down the Command + R keys. This will take you into Recovery Mode. There you will see various options, one of which is Disk Utility (DU). Click on that and run "First Aid" on your Mac HD.

It will look for problems and try to repair faults if it can. When finished, reboot as normal.

Ian

Hi Ian,

If I apply "First Aid", do i need to do a system backup first?

Thank you.
 

Slydude

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I probably would do a backup first. That way if the drive is starting to have issues you'll have a copy of your data.

The First Aid option isn't in System Preferences. Since there is some question about the health of the drive it's probably best to try the following procedure. I usually do this by shutting the computer down first then do the following:

1. Power on the computer then immediately press and hold the option key.
2. Pretty soon you should see a list of bootable drives connected to your Mac. Click the one that says something like "Recovery". If necessary hit Return.
3. The Mac should start booting then you will be presented with several options. Choose the one that says Disk Utility.
4. Once Disk Utility opens click the Macintosh HD symbol on the left then choose First Aid. Once things are finished restart the computer normally.
 
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I probably would do a backup first. That way if the drive is starting to have issues you'll have a copy of your data.

The First Aid option isn't in System Preferences. Since there is some question about the health of the drive it's probably best to try the following procedure. I usually do this by shutting the computer down first then do the following:

1. Power on the computer then immediately press and hold the option key.
2. Pretty soon you should see a list of bootable drives connected to your Mac. Click the one that says something like "Recovery". If necessary hit Return.
3. The Mac should start booting then you will be presented with several options. Choose the one that says Disk Utility.
4. Once Disk Utility opens click the Macintosh HD symbol on the left then choose First Aid. Once things are finished restart the computer normally.

Hi Slydude,

Thanks for your reply.

May I ask does "First Aid" wipe off everything in your PC while it tries to repair?

Thank you.
 

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May I ask does "First Aid" wipe off everything in your PC while it tries to repair?

No. Data is preserved intact.

If you follow the instructions in Post #3 or Slydudes' in Post#7 (both methods achieve exactly the same thing - booting into the Recovery Partition); then run First Aid - it checks the Hard Disk Drive and tries to repair any problems.

Although a Backup is a very sensible idea - you should be backing up in everyday practice anyway - First Aid does not interfere with the data on your Mac.

And you still haven't told us which Operating System is on your Mac.

Ian
 

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May I ask where is the Utilities at? I can't find it at "System Preference".

Of course, please ask. It's not immediately obvious. You are correct, it's not in System Preferences - its an app.

Open Finder > Go into Applications > Then into Utilities > and there you will find Console > Double click to open.

It logs things on your Mac including shutdowns. Posting the logs might help us find a cause.

Keep asking if you're not sure. We're here to help.

Ian
 
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Hi guys,

Please see below for the logs file.

Errors and Faults:
https://drive.google.com/open?id=0B_a6NRfWC9L-QWVaQzM5b0FDek0

iTune Crash:
https://drive.google.com/open?id=0B_a6NRfWC9L-cjVMM1F0RUdwTGs

I have did what you guys suggested, to do a First Aid.

See picture: https://drive.google.com/open?id=0B_a6NRfWC9L-SzhvVkZFaEI2bWc

After the system check, it reply that there is no issue found.

However, this morning the iTunes stop by itself again after playing the whole day.

I wonder if it is due to a timer?

Thank you.
 

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