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Hard Drive went from empty to full and can't figure out why

by martin49er / August 14, 2007 6:55 AM PDT

I have a new Thinkpad with windows XP and a 90 GB harddrive. When I use windows explorer and do a select all and properties it shows only 32 GB of data ( and I include the hidden files and subfolders) but the system says I have over 88GB used. I tried chkdsk and it shows no errors and 88GB of data. I tried Sequoia but it only show the 32 GB of items, I also tried CCleaner and it will only clean up 200 MB of Temp Data.

So my question is where can I get software to see what is taking up this space? Does anyone have a recommendation on how to clear this up or is it a phantom in windows XP making this happen?

I looked through all the threads but I can't find what is taking up the space.


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Re: lost disc space
by Kees Bakker / August 14, 2007 7:16 AM PDT

See my answer in

And can you clarify what you mean with "the system says". That's the properties of the c:-drive? No other partitions on the hard drive (use Disc Management to check).

There might be some very hidden recovery data put on the Thinkpad by Lenovo. But it's rather absurd that it should be 56 Gb on a 90 Gb harddrive, especially if you say it wasn't like that when the machine was really new.
One of those hidden folders is Windows XP's own System Volume Information. That's where System Restore stores its data (and it's freed when you delete all system restore points). There are ways to have a look inside it:

Hope this helps, and let us know.


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by martin49er / August 14, 2007 7:34 AM PDT
In reply to: Re: lost disc space

When I say the sytem says, I mean when you go to "My Computer" and right click on the C: drive it says used space 86GB. I downloaded TreeSize and is shows only 37.7 GB of data but only 2% free on a 90 GB hard drive. I don't know how to delete my system restore points, but I followed your other post and unhide my system files but when I try to access the system volume information directory it says access is denied.

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RE Update
by martin49er / August 14, 2007 7:56 AM PDT
In reply to: Re

I am using the Treesize software and I am looking at the Pie chart that shows the breakdown of the hard drive. It shows only 2 GB of free space and it shows that it is 5% of the total which works out to a harddrive of only 40GB. So I am not sure if the system thinks the other 50GB are not useable or if some phantom windows issue it not allowing access to it.

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Two links:
by Kees Bakker / August 14, 2007 8:09 AM PDT
In reply to: RE Update
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