External Hardrive freezes windows explorer when accesed

January 22, 2012 at 10:13:49
Specs: Windows 7
My external hard drive no longer seems to work properly. When I boot it up the case registers that the drive is working (blinking lights) and I hear it spinning up. My computer detects the drive and I'm am able to see the root file structure of the drive. However if I try to open any of the folders windows explorer stops working and hangs until I disconnect the drive. I can't get disk defragger or any other system tool to work with the drive. I should add that my original case for this external hard drive had to be replaced with an enclosure as the usb connector snapped off the board. But the hard drive did work in the enclosure quite a number of times, so I don't see how that could be the issue.

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January 22, 2012 at 10:37:25
Look at the external drive in Windows Disk Management and report back here all the information listed for it after highlighting the drive letter.

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January 22, 2012 at 19:58:25
Hopefully I'm listing the correct information here. In the disk management section of computer management (windows 7) it lists , Expansion Drive (G:) Layout: Simple, Type: Basic File System: NTFS Healthy (Primary Partition), 1863.01 GB.

Also for some reason it allowed me to go one layer of folders down this time but wouldn't allow me to open a folder after that (instead loading forever in the status bar up top). I'm wondering if maybe the enclosure I bought is no good?

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January 22, 2012 at 22:27:28
I take it the drive is a 2TB capacity? That would be the correct adjusted capacity that you posted. Those stats all look OK.

I suggest you try running a hard drive fitness test from the manufacturers site.

How much data is currently stored on the drive? Improperly removing (disconnecting) an external drive can corrupt the partition. Yours doesn't appear to be that way but the fitness test should tell you more.

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January 22, 2012 at 23:25:22
Yep it's a 2 tb drive Seagate drive, with about 900gb or so of data on it. Currently trying to run the fitness test for the drive but it seems to be having trouble starting. The long generic test failed , with a fail code of 0. It recognized that the drive was there but it's almost like the drive has spun up, was detected and then went into some standby mode (I'm guess a little here) as the light at the front of the hard drive case doesn't show any activity after boot up. Here's the log file but I don't know if contains any usefull data.

1/23/2012 2:18:21 AM
Unit Serial: --------
Unit Model: ST2000DL001-9VT156
Model: ST2000DL001-9VT156
Serial Number: --------
Firmware Revision: ----
Short Generic - Started 1/23/2012 2:18:21 AM
Short Generic - FAIL 1/23/2012 2:19:13 AM
SeaTools Test Code: 6C9AC2A4
Long Generic - Started 1/23/2012 2:19:35 AM
Bad LBA: 0 Unable to repair
Long Generic - FAIL 1/23/2012 2:23:00 AM
SeaTools Test Code: 6C9AC2A4

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January 22, 2012 at 23:30:12
Further to this, just rebooted the drive and was able to run an anti-virus scan and get 2 folder levels down before the drive stopped responding. Not sure what the deal here is. I'm starting to think there is a brief window when the drive boots up for it to be accessed. It just passed the Short Generic test but then when I went to run the long test the fitness test the program could no longer locate the drive.

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January 23, 2012 at 05:19:38
You could look into running testdisk. As I stated above, the partition may be damaged. NTFS stores the disk information in multiple places on the drive. That redundancy is suppose to make the file system hardier. That said, maybe something went wrong and there is conflicting information.

Testdisk is designed to repair that sort of issue.

You could try a recovery program but if the drive acts as you describe it doesn't sound like you will recover much each attempt.

For what it is worth you should always maintain at least tow copies of any data you want to keep. You are now learning why. There are so many different ways you can lose your data. Your experience is just one.

Get testdisk at the link below. Be sure to read the tutorials before using.


If you want to try a free recovery program before using testdisk you can get recuva at the link below.


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