Question about Seagate (ST3100203U2-RK) (ST3100203U2RK) 100 GB Hard Drive

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Seagate hard drive

I have just restored my computer, and although my seagate hard drive is showing in device manager, it not showing in my computer so I cant access it, or find anything that is saved on it.

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Re: Seagate hard drive - Seagate (ST3100203U2-RK) (ST3100203U2RK) 100 GB Hard Drive Hard Drives

Is this internal or external drive?

Posted on Jul 19, 2007

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My seagate 500gb external hdd recognize in device manager.

I would get a bootable linux distro and boot up and use the partion manager there. (knoppix) If that does not work I would get the factory diagnostic tool from seagate and if it gave errors return it for warrenty or if not under warrenty least you will know there is something funny with the hardware.

Mar 23, 2014 | Seagate Hard Drives

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Seagate 9sd2a3-500 320 GB Problem

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It sounds as though you have one of the following problems:

  1. Dirty contacts that can be cleaned with CRC electronic component cleaner;
  2. A faulty drive that may have been dropped at some point in time. Your drive may have a three-year warranty and Seagate will replace it. Just go online and provide the serial number; and.
  3. You may have to reinstall the drivers. The Seagate website can provide this if needed.

Apr 14, 2012 | Seagate 320GB Portable External Drive ...

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My seagate 1TB external hard disk (the little compact one) cant be read anymore. Was working fine a couple of days ago. The lights on top are flashing constantly. After the drive is plugged into the...

Right click "My Computer" >properties> hardware> device manager. Expand "disk drives". Right click your seagate drive and click uninstall. Reboot your computer; the drive should automatically be reinstalled.

Feb 10, 2011 | Seagate FreeAgent Pro 1TB External USB...

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External 500gb hard drive not readable

Check the partition size in Disk Management (if running Win7 - download a free Partition Manager if not) and see if the system is seeing the partition correctly. Seagate has recovery software available on their website but you may just have to repartition and reformat.

Apr 25, 2010 | Seagate 320GB Portable External Drive ...

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Seagate Freeagent not being installed

beck up your all files, then install a New Operating system, u install and un-install it, therefore it seems that some files are missing. and the fact is not installing and showing the device again.
so install a fresh O.S, and install it again,, and Enjoy..
good luck


Jun 26, 2009 | Seagate FreeAgent Go 250 GB USB 2.0 Hard...

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I reformatted my C: drive and ever since Windows will not recognize my Seagate External Free Agent hard drive. It shows up under ?My Computer? as Removable Disk (I: )? It used to be listed as Seagate...

Try connecting it to another computer. If you can see your data then back it up etc.
After you have recovered your data connect it to your computer, from Disk Manager, remove the partition, recreate it again and then format the drive, hopefully your external drive will be operational again.
There is a possibility that the hard disk has died and you will have lost your data. If you are desparate, hard drive data recovery companies charge an arm and a leg to recover data from dead drives.

Jan 10, 2009 | Seagate Free Agent Go Small 12 GB USB...

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My external hard drive is unreadable

Does you drive make any sounds like these? If yes you have a mechanical problem and you should get a specialist to work on it. If not - try to remove the drive from USB casing and connect it directly to your PC or put into another USB enclosure. This should help if the problem is with the enclosure itself and not with the drive. 

Dec 30, 2008 | Seagate FreeAgent Pro 1TB External USB...

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Can't see Seagate external hard drive on Vista devices with remov


If the drive is not showing up in My Computer but is showing in Device Manager then you most likely need to assign a drive let you the drive. The links below will help you do this.

How to change your drive letter in Windows Vista and Windows 7

How to change your drive letter in Windows XP

Let me know if you have any more problems or questions


Dec 21, 2008 | Seagate (ST3100203U2-RK) (ST3100203U2RK)...

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It recognizes the new hard drive as a DVD drive

have you partitioned and formated it ? unless you do that to the drive it will not show up with a drive letter in windows. go into control panel, administrive tools, computer management, disk management - there you should see all your drives and you can partiton, format, assign or reassign drive letters to them. hope this solves your problem.

Apr 18, 2008 | Seagate Barracuda 7200.10 500 GB SATA Hard...

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