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All replies
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Helpful answers
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Feb 8, 2016 10:24 AM in response to jms54by Pmintz25,Look in Disk Utility and see if the hard drive shows up there.
If you didn't reformat the new hard drive it is most likely in an incompatible format for Time Machine.
Needs to be in exFAT to work on Mac and PC but it is best to format for Mac OS Extended if using the hard drive for TM
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Feb 8, 2016 10:30 AM in response to jms54by lllaass,- Is the drive self-powered, that only powered by the USB bus? If so it could be that the USB port does not provided enough power. You can try a powered USB hub. You can also get a USB pigtail that takes power from to USB ports to the single USB port on the drive like this one.
StarTech.com® 1' USB Y Male To Micro-B Male Cable For External Hard Drive, Black
- Does it show in Disk Utility?
If so what is format? Time Machine need a Mac formatted (extended journaled) drive.
- Does it show in System Profiler under USB? You should see the chipset in the enclosure as well as the HD itself
OS X: About System Information and System Profiler - Apple Support
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Feb 8, 2016 11:03 AM in response to jms54by Linc Davis,i turn TM on and it goes right back to the off position.
This problem has nothing to do with the drive.
Please launch the Console application in any one of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad and start typing the name.
The title of the Console window should be All Messages. If it isn't, select
SYSTEM LOG QUERIES ▹ All Messages
from the log list on the left. If you don't see that list, select
View ▹ Show Log List
from the menu bar at the top of the screen.
Click the Clear Display icon in the toolbar. Then take an action that isn't working the way you expect. Select any lines that appear in the Console window. Copy them to the Clipboard by pressing the key combination command-C. Paste into a reply to this message by pressing command-V.
The log contains a vast amount of information, almost all of which is irrelevant to solving any particular problem. When posting a log extract, be selective. A few dozen lines are almost always more than enough.
Please don't indiscriminately dump thousands of lines from the log into this discussion.
Please don't post screenshots of log messages—post the text.
Some private information, such as your name or email address, may appear in the log. Anonymize before posting.
When you post the log extract, you might see an error message on the web page: "You have included content in your post that is not permitted," or "The message contains invalid characters." That's a bug in the forum software. Please post the text on Pastebin, then post a link here to the page you created.
If you have an account on Pastebin, please don't select Private from the Paste Exposure menu on the page, because then no one but you will be able to see it.
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Feb 8, 2016 12:17 PM in response to jms54by jms54,I have been using the G drive since 03/15. It is formatted for Mac.
Does not show up in Disk Utility. The drive is powered by the USB bus
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Feb 8, 2016 12:19 PM in response to Pmintz25by jms54,The drive has been in service since 03/15. It is powered by the USB bus and is formatted for MAC.
Does not show up in disk utility.
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Feb 8, 2016 12:38 PM in response to jms54by Pmintz25,Follow Linc Davis' notes. There could be something else going on not related the external drive.
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Feb 8, 2016 12:43 PM in response to jms54by lllaass,Agan:
- Does it show in System Profiler under USB? You should see the chipset in the enclosure as well as the HD itself
OS X: About System Information and System Profiler - Apple Support
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Feb 8, 2016 1:00 PM in response to jms54by lllaass,Then TM can't see it.
Is the HD seen by another computer?
Can you hear/feel it spinning? Are any light lit on the enclosure?
Have you tried another cable? USB port?
Do other HD connected via USB work?
Try resetting the SMC
Resetting the System Management Controller (SMC) on your Mac