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External hard drive - problem reading unused space **SOLVED**

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barryman:
Well, I ran the full chkdsk from Command prompt. Among all the info at the end, these figures came up

244 gb total disk space
0 Bad sectors on disk
53 gb in use by system
23 gb available on disk  (this figure should be about 80 - 90 gb available!)
61 gb total allocation on disk
6 gb allocated units available on disk

So, I'm no further on to reclaiming my disk space. To summarise Windows says I have used 210 gb total on drive. I reckon it's only 140 gb used.
Somebody posted about reinstalling the driver. I don't have a driver, ony a file called Seagate Launcher which is a Seagate setup file that is on the ext hard drive at the moment. Should I use that??

Or, any other suggestions - this is baffling me. (I defragged again but no difference)
Attached photo shows screenshot of scan using program WinDirStat. Any clues there??

Since posting I used a Drive Wiper to clean the free space on drive but it also only found 23 gb to wipe. I know there's more space on the drive!!!! So far both Windows and two other programs have only recognised 23gb available. So, what next???

Thanks for your input.

Boggin:
Windows supplies the driver which is what installs when you first plug an external HDD in which is why I suggested uninstalling it so that it would install afresh.

barryman:
Re uninstalling driver, the thing is that Windows DOES recognise the ext drive plus all the data on it. It's just the available space that's the problem. Is there a risk in uninstalling the driver??

jraju:
Hi, barryman,
                   Is there any shadow storage problems in your drive?. if that is the case, then try this link for knowing the problem and solution. Hope that this helps
http://www.sevenforums.com/tutorials/166102-shadow-copies-delete.html

barryman:
Jraju - you are indeed a genius!! I followed the links re Shadow Copies, took my chances deleting what the program found and, YES. My external drive now shows 104 gb of available space. All that space must have been used by shadow copies. Now they are gone.

This is indeed an answer that would probably help most people who have the same problem with ext. drives. All that backing up must make immense amounts of shadow copies.

Thanks again to you and all those who replied to my question. You really helped me.

Barry

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