External HDD shows CRC on windows8.1 but fine on windows 7

bsquiggle

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Oct 25, 2015
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A friend was having trouble with her 1TB external HDD and asked me to take a look. On her windows 8.1 laptop, it shows up in disk management as RAW format, correct size, active, healthy, has a drive letter. No data shows up on her laptop at all and the drive appears empty and zero size. I have tried it on all the usb ports (2 x 2.0 and 1 x 3.0)and that doesn't make any difference. She has tried it previously on another windows 8.1 laptop with the same result.

On my windows 7 pro laptop (actually 2 different ones) the drive shows up just fine and the data is all accessible. I have been able to back up the essential stuff from the drive but would still prefer not to have to reformat as I don't believe the problem is actually the drive.

Is there an easy way to fix the problem, which I assume is with her laptop settings (I'm looking at you, windows 8.1) rather than actually with the drive? As she has another drive that showed the same symptoms, so a permanent fix rather than once off workaround would be better.
 
Welcome to the community, bsquiggle!

I'm sorry to hear about your friend's external HDD access issues. Good job with the backup, though! Keep her data safe while troubleshooting. I'd recommend you to check the health and SMART status of the drive by running the Quick and Extended tests from WD's Data LifeGuard Diagnostics. Here's a link to the WD software: http://products.wdc.com/support/kb.ashx?id=WuHvHn

If it appears as RAW in her system, it means that Windows 8.1 sees the file system of the external drive as corrupted. A reformat is definitely a good idea, and I'd also advise her to keep her data stored on at least two different locations as a backup.

Keep me posted with the SMART results, though.
SuperSoph_WD
 

bsquiggle

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Oct 25, 2015
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Hi SuperSoph,

Thanks for the info... I assume that software works on non-WD drives?
I will reply with the status when I have the drive again, but unsure what would cause it to operate perfectly on 2 machines and not at all two others?
 
Hey there again, bsquiggle!

It should work with other manufacturers' HDDs as well, indeed! However, if they have their brand-specific diagnostic tools as well. It's advisable to use them as well, it's a good way to benchmark the results.
You mentioned that both of the systems that have trouble recognizing the external HDD are Windows 8.1, right? So it might be some sort of a Windows update that's causing this. In these cases, it's recommended to use the computer's/motherboard's manufacturer official website and update the drivers from there, rather than letting Windows Updates install them.

Keep me posted, though. Hope I was helpful! :)
SuperSoph_WD