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Windows 7: Missing HD space on laptop

02 Feb 2015   #21
DavidE

Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64
 
 

Quote   Quote: Originally Posted by whs View Post
Quote:
That is the free space ~ 10GB
That is strange. Normally WinDirStat lists only files/folders. That must be a file too.
Right Click on free space and click Explorer here.
See where that opens Explorer, and what is there.

I would run a System File Check and a Check Disk.
SFC /SCANNOW Command - System File Checker
Disk Check


My System SpecsSystem Spec
.
02 Feb 2015   #22
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Quote:
Quick question. if I have to look at Folder-Properties to check for size, How is it different from selecting all folders of C:\ and checking their size at one go?
Then you don't know where the elephant is.
My System SpecsSystem Spec
02 Feb 2015   #23
nkaufman

Win-7 Prof 64bit
 
 

Quote   Quote: Originally Posted by DavidE View Post
Quote   Quote: Originally Posted by whs View Post
Quote:
That is the free space ~ 10GB
That is strange. Normally WinDirStat lists only files/folders. That must be a file too.
Right Click on free space and click Explorer here.
See where that opens Explorer, and what is there.

I would run a System File Check and a Check Disk.
SFC /SCANNOW Command - System File Checker
Disk Check
I ran chkdsk before and it ran fine without any problem. No issues found.

Will run SFC and post.
My System SpecsSystem Spec
.

02 Feb 2015   #24
DavidE

Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64
 
 

Did you right click on free space in WirDirStat and click Explorer here to see what free space is ?
My System SpecsSystem Spec
03 Feb 2015   #25
nkaufman

Win-7 Prof 64bit
 
 

Quote   Quote: Originally Posted by DavidE View Post
Did you right click on free space in WirDirStat and click Explorer here to see what free space is ?
In the picture that I uploaded for WinDirStat, I clicked on <Free Space> in the top left pane. doing that selected the big grey space in the bottom panel. However, there is no option to choose "Explorer" from this <Free Space> or the "Grey Area".

This could be an issue.
My System SpecsSystem Spec
03 Feb 2015   #26
DavidE

Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64
 
 

In WirDirStat Options there is a Show Free Space option, that's probably checked and would explain seeing Free Space listed.

In the Options there is also a Show Unknown option.
Make sure that is checked, and see what is listed for Unknown.
My System SpecsSystem Spec
03 Feb 2015   #27
nkaufman

Win-7 Prof 64bit
 
 

Quote   Quote: Originally Posted by DavidE View Post
In WirDirStat Options there is a Show Free Space option, that's probably checked and would explain seeing Free Space listed.

In the Options there is also a Show Unknown option.
Make sure that is checked, and see what is listed for Unknown.
That was gold :-)

Yes, Option for Free Space was selected.

Selected Show Unknown in Options and SEE the missing 26.9GB as Unknown space.and total space in WinDirStat is now 95.7GB which is consistent with explorer, disk mgmt etc.

Right click on either on top left pane or bottom pane do no show any context menu to choose Explorer.

So, now that we know that this space is "Unknown Space" what is the solution to make it "Known Space"

Thanks,
My System SpecsSystem Spec
03 Feb 2015   #28
DavidE

Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64
 
 

Quote   Quote: Originally Posted by nkaufman View Post
So, now that we know that this space is "Unknown Space" what is the solution to make it "Known Space"
I found an article that someone posted with:
Quote:
Richard says:
2014-12-28 at 21:17
Hey guys, in response to my own post of 12-28, I found VSS was NOT the problem, as it was already off. I did find the problem though.
WinDirStat seems to have an issue with VERY long filenames (as in recursive directories). So I found another utility that is very similar to WinDirStat which could handle the long filenames (so long that Windows will not delete them nor recycle them).
I love WinDirStat, so I am not going to be brash about competitive products, but I DO SINCERELY HOPE this gets fixed soon. If you want more info, you might search SevenForums.com. Thanks guys, LOVE your product despite the bug.
Source: What is “<Unknown>”? | WinDirStat propaganda blog

Unfortunately he doesn't say what other product he found, or give links to SevenForums threads.
You could try TreeSize Free and see if it shows more info for the WinDirStat Unknown Space ???
TreeSize Free - Quickly Scan Directory Sizes and Find Space Hogs
If you want the portable version, download the Zipped Executable version.
My System SpecsSystem Spec
03 Feb 2015   #29
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

If you right click on the unknown space, is there a Delete option ?
My System SpecsSystem Spec
03 Feb 2015   #30
nkaufman

Win-7 Prof 64bit
 
 

Quote   Quote: Originally Posted by whs View Post
If you right click on the unknown space, is there a Delete option ?
No. There is no context menu when I right click on either the space (in bottom pane) or the listing in top left pane
My System SpecsSystem Spec
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