Disk not ejected properly warning appears for no reason

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Level 1

9 points

Disk not ejected properly warning appears for no reason

Using a 2012 iMac running 10.10.4. I have three external disks. One is used to store Photography files, one is Photography Backup, and the last on is All Other Backup. I have had this setup since 2012. Lately, every morning when I first awaken the computer I get Disk Not Ejected Properly warnings? And the external disk in question does not appear on the desktop? I usually restart the computer. Why am I getting these notices? and why do my external hard disks disappear?

What my disks normally look like:

The warning messages I get every morning:

What my disks look like after the warning:

Any help is appreciated, thanks, Doug

Posted on Sep 2, 2015 6:49 AM

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Answer 1

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Linc Davis

Level 10

209,547 points

Sep 2, 2015 8:02 AM in response to pdn_taylor

1. From the menu bar, select

 ▹ System Preferences ▹ Energy Saver

and uncheck the box marked

Put the hard disk(s) to sleep when possible

if it's checked.

2. Some external drives ignore the Energy Saver setting and spin down anyway. The application "KeepDriveSpinning" from developer Jon Stovell may help in that case. (Credit to ASC member dsrtmacusr for this solution.)

3. If the drives are connected to a hub, connect them to a built-in port on the computer.

4. Check the drive vendor's website for a firmware update.

5. If you installed vendor software for the drives, uninstall it.

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