External Hard Drive not recognize after not ejecting properly

i have Macbook Pro 2011 8GB RAM, 1 TB Hard drive OSX Mavrick. i recently ejected my back up drive but it was not a properly ejected now when i plug in the computer it doesnt come up as hard drive. it shows up in the disk utlity but it doesnt open any one know how to solve this issue please its my backup drive and i dont want to loose m data
Thanks

1. press command + space (or click on your spotlight search button near the top right corner)
2. Search and Open Disk Utility
3. Plug in your external drive
4. Click on the drive in the left panel
5. Click the repair button near the bottom right of the window
6. Wait for the disk to be verified and repaired
7. Eject the external drive
8. Unplug and replug the drive back in and then see if it is then accessible.
9. If still not accessible repeat steps 2-4 then hit the mount button in the toolbar of the window. It will be in between the burn and the eject button.
Regards
Noahwhite2014

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External hard drive not ejected properly?

Hi.
I've just bought a 1 Tb Hitachi external hard drive, to use for Time machine back up.
It's connected using the supplied USB 2 cable.
It installed OK but whenever my mac goes to sleep and I reawaken it, the message appears that the disk was not ejected properly and that next time I should go to finder etc etc.
Could I be damaging the data on the drive? Maybe even - Heaven forbid - lose it?
Thanks

Jim586 wrote:
Hi.
I've just bought a 1 Tb Hitachi external hard drive, to use for Time machine back up.
It's connected using the supplied USB 2 cable.
It installed OK but whenever my mac goes to sleep and I reawaken it, the message appears that the disk was not ejected properly and that next time I should go to finder etc etc.
Could I be damaging the data on the drive? Maybe even - Heaven forbid - lose it?
Hi, and welcome to the forums.
Yes, an improper disconnect can damage the directory structure on the disk. Do a +*Repair Disk+* per #A5 in the Time Machine - Troubleshooting *User Tip,* also at the top of this forum.
I'd start by checking with Hitachi's web site: see if there are updated drivers and/or firmware for Snow Leopard. Even though you just bought it, it may have been in stock somewhere for a while and not have the latest goodies.
Also see if there's an automatic sleep or "spin down" feature on the drive that you can adjust or disable.

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External Hard Drive not recognize after not ejecting properly

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