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I have a Seagate HD 250GB (external USB, GoFlex). It is about year old wasn't used often.

I can't see or access this disk after I connect it to my Windows 7 PC. I also tried other PCs with no luck.

When I run DriveDetect I can see it on drivers list: "FreeAgent GoFlex". The BIOS does see it as well. Also I can see and access this drive when I connect it to my TV!

What can I do?

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On how many other PCs did you try connecting that drive to? – Abhishek Sha Dec 29 '12 at 22:02
Does it show up under Disk Management? If so, see if you can right-click and assign a drive letter to it. – Karan Dec 29 '12 at 22:45
about 6 different PCs. It shows up on my laptop Disk Manager as UNALLOCATED, whereas on a Windows 8 PC as RAW. – Lukasz Jankiewicz Dec 30 '12 at 19:59
It had files on it but I connected it to a Toshiba TV as an external storage device and I think it has removed the partition. – Lukasz Jankiewicz Dec 30 '12 at 20:05
up vote 0 down vote accepted

If you can see your files on the Toshiba TV, connect that to your network and access the files over the network from whatever PC you like.

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I going to try it. thanks. – Lukasz Jankiewicz Dec 30 '12 at 20:09

Might be the antivirus is inhibiting a program on the drive from working. Some antivirus programs also cause the right click in Windows Explorer to display different options. I am guessing you meant to say that the computer BIOS can see the drive. With my Tower, if I plug a drive into the USB ports on the back of the tower, the OS might handle them differently.

I am guessing that you are using some version of Windows. For a Mac one must also install the program to write to a NTFS drive, while current native Mac will read NTFS.

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The OS doesn't discriminate as such with the position of the USB ports, not atleast if they are of the same kind. – Abhishek Sha Dec 29 '12 at 22:03
if somebody's been lazy with the internal cabling, some of the front USB ports may not actually be connected - so trying to connect via the back ports could possibly make a difference. – Dave Hilditch Dec 30 '12 at 20:12

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