hard drive

The hard drive does not show up in my computer but I am able to see it in disk management as Healthy (Primary Partition). How can I get it to show up again. I tried changing the drive letter but it is greyed out. The only thing I can do is Delete the volume or convert to dynamic disk. This is a 2 terrabyte drive with three partitions. All partitions are showing up as healthy. This is a external drive connected through a Thermaltake docking station.
dawn1993Asked:
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Dan CraciunIT ConsultantCommented:
You cannot change/assign a letter for a hard drive.

Assign a different letter for each partition and you'll be able to access them.

HTH,
Dan
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EirmanChief Operations ManagerCommented:
It might be worth trying it in another USB slot.

Is is showing as "Online" in disk management?

I read this page, and it doesn't really inspire confidence in me
http://www.thermaltakeusa.com/products-model_support.aspx?id=C_00001574
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Michael-BestCommented:
Your Thermaltake docking station may be the problem.

Uninstall the Thermaltake docking station then reboot the PC and reinstall the Thermaltake docking station.

Try the HDD in the other slot also try the Thermaltake docking station on another PC.
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jmcmunnCommented:
Have the partitions been formatted yet, or just partitioned?
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dawn1993Author Commented:
I put the hdd in the computer and win7 did recognized it but I still have the same problem. It is not seeing it in computer as a visible drive. I can not change drive letters on any of the partitions because it is greyed out. I can only delete volume. I am hoping there is something to fix this because I have a lot of data on the drive and do not want to delete the volume. I just realized this has a gpt format. I got the drive from a mac and formatted but some how it has GUID format. I am not sure what happened because I formatted the drive and it worked with windows 7 until now. I downloaded paragon software and I see as a mac drive and not as a windows drive with all my data. I am at a lost on what to do at this point.
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dawn1993Author Commented:
just partitioned not formatted
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jmcmunnCommented:
My suggestion is to see if the drive still works with a Mac.  And if it does, hook it to the mac and copy the data off onto the mac and/or windows machine.

Then reformat and repartition the drive from the windows machine.  It sounds to me like whatever formatting used is not compatible with the Windows machine?
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Bob BrownIT Commented:
First, remove the computer from the docking station.
Remove the CD drive if there is one.
Then connect the external drive usb directly to the computer

Restart the computer, and enter into safe mode.
While in safe mode check to see if the drive shows up and it will show up.
Record the drive letter this drive has now taken.
Partition and then format the drive.

restart the computer is Windows mode.
your drive will now show up.
when you plug the computer back into the docking startion, the drive should still show up.


Note: if this does not work- download the latest bios and flash the computers bios and update it.
This can also solve your problem.
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