HT201250 I disconnected My Passport by mistake, and now Time Machine can not find it. Although connected, it does not appear in the My Devices section of Finder. What do I do?

I disconnected My Passport by mistake, and now Time Machine can not recognise it. It no longer appears in the My Devices section of Finder. What do I do?

Hello rjhc49,
Thank you for the details of the issue you are experiencing with your external hard drive. I found an article with steps you can take when an external device is not being recognized.
I recommend following the steps in the section titled "Top troubleshooting tips" in the following article:
USB and FireWire Quick Assist
http://support.apple.com/kb/HT1151
Thank you for using Apple Support Communities.
Best,
Sheila M.

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http://pondini.org/TM/Troubleshooting.html
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http://support.apple.com/kb/HT1352
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HT201250 I disconnected My Passport by mistake, and now Time Machine can not find it. Although connected, it does not appear in the My Devices section of Finder. What do I do?

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