External drive has reduced transfer rate

July 18, 2010 at 15:31:23
Specs: Windows 7
This is a 5 year old external case (from circuit city) that came with a 300 g Maxtor Internal Hard drive. It is connected by USB 2 to my computer. Has been working fine up to about a few months ago. Notice now that transfer rate is extremly slow, as if either the drive or external case is failing. I tested another external drive on my computer and it works fine. Is it more likely the drive failing or the electronics in thecase failing? I might just need to test with a different internal drive that can be mounted but would like thoughts before I do that. I have gotten all my data off fortunately.

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July 19, 2010 at 13:01:36
Two issues. One is the actual drive, other is the usb part of the deal. Not sure which way I'd go but maybe you can use hard drive diagnostics through the usb. Normally you use diags via ide or sata. Get ultimate boot cd or the OEM disk to test the hard drive then move on to the usb issue.

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July 22, 2010 at 15:20:09
Was not clear on this so swapped the drive into a different case and had no problem. So the case had gone bad. Problem solved.


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July 22, 2010 at 15:28:21
The issue could have been the cable, not the enclosure.

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Related Solutions

July 22, 2010 at 15:29:54
Your problem could have been due to the USB cable between the external drive and the computer being inadequate, especially if it did not come with the drive. Not all USB cables are USB 2.0 compliant. Or it could have been damaged.

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July 25, 2010 at 13:58:31
just for completeness - same cable for both tests.

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