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Windows 7: My C Drive is full but I can't see why


21 Sep 2011   #1

Windows 7 Ultimate x64
 
 
My C Drive is full but I can't see why

Hi,

I have Windows 7 Ultimate x64 and it's installed on a 120Gb SSD along with all my software. I only install software and drivers on this drive. I also have 2x1Tb drives for storing everything else.

The combined total of all the visible folders in the main directory of my C drive is 77Gb (including the Windows folder) but my system tells me that I have only 1.6Gb of free space. This is causing a lot of problems with Photoshop, AE etc.

How can I find out what's occupying that missing 40-50Gb and how do I figure out what I can dump?

Many thanks.

S.

My System SpecsSystem Spec
.

21 Sep 2011   #2

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by Seany View Post
Hi,

I have Windows 7 Ultimate x64 and it's installed on a 120Gb SSD along with all my software. I only install software and drivers on this drive. I also have 2x1Tb drives for storing everything else.

The combined total of all the visible folders in the main directory of my C drive is 77Gb (including the Windows folder) but my system tells me that I have only 1.6Gb of free space. This is causing a lot of problems with Photoshop, AE etc.

How can I find out what's occupying that missing 40-50Gb and how do I figure out what I can dump?

Many thanks.

S.

Third party tool like Jam software's Treesize pro (free to try) will do the trick.
My System SpecsSystem Spec
21 Sep 2011   #3

Windows 7 Home Premium 32 bit
 
 

DiskAnalyser Pro - hard disk space usage analysis software - is another good one you may try. Download DiskAnalyzer Pro Software - 14 Days Free Trial
My System SpecsSystem Spec
.


21 Sep 2011   #4

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Windirstat is also a good tool. WinDirStat - Windows Directory Statistics
My System SpecsSystem Spec
21 Sep 2011   #5
scr

Windows 7 Home Premium sp1 - 64bit
 
 

My System SpecsSystem Spec
21 Sep 2011   #6

Win7 ultimate
 
 

My System SpecsSystem Spec
21 Sep 2011   #7
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Hello Seany, and welcome to Seven Forums.

Here's one more thing to check that may be able to help.

Hard Disk Space - Free Up and Recover

Hope this helps,
Shawn
My System SpecsSystem Spec
24 Sep 2011   #8

Windows 7 Ultimate x64
 
 

Hi,

Many thanks for all your help.

I used SpaceSniffer as well as downloading some of the other software recommended. SpaceSniffer identified two imense files on my drive that seem to be related to the system.

'pagefile.sys' = 23.9Gb
'hiberfil.sys' = 17.9Gb

One of these files was created about a year ago and the other about a month ago.

I have no idea what they are or whether it's safe to delete them. I'm going to google it, but does anyone know what these files do... and if I can't delete them is there a way to reduce their size?

Thanks again.

S.
My System SpecsSystem Spec
24 Sep 2011   #9

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Pagefile.sys is the system paging file. The size is normally managed by Windows although you can manage it yourself. The recommended size is 1.5 x installed RAM so unless you have 16GB RAM it is rather large. Hiberfil.sys is where the computer saves its state when it enters hibernation. I don't know what controls the size.
My System SpecsSystem Spec
24 Sep 2011   #10

Windows 7 Ultimate x64
 
 

Thanks for that.

I actually have 24Gb's RAM so that explains the size of the pagefile.sys file. not sure about the other.

Do you know what the adverse affects might be if I reduce the size of the pagefile.sys file?

Thanks again.

S.
My System SpecsSystem Spec
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 My C Drive is full but I can't see why




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