Hard drive space used/free info displayed is incorrect

My hard disk space used and the space free information apparently enormously out of proportion to the actual use. Can't understand why.

Details:

My disk C (683 GB) indicated (including the Information and records management system) as having 140 GB of used space.

I find that about 42 GB, including hidden files, system files, swap file and hiberfil.sys.

My computer came with the SATA 750Go unique fully formatted and whose 683 GB C drive and a recovery disk 15 GB D.

I want to reduce C & create a new partition for documents before installing some new important software on C.

I am reluctant to shrink, or install new software, until I have find the mystery of this 100 GB of files to inventory.

I ran disk cleanup and Defragmenter. No change in the amount of space used / free display.

When I click the icon of the C in disk management and choose shrink, he says I can reduce C only to about 500 GB. I understand that shrink should be done several times to get full party, so presumably he would get smaller. I the have not used yet, but because of the concern/mystification about the reasons for this apparently incorrect space used for the drive.

I have Vista Home Premium (64-bit). I don't have a shadow copy volume.

I have not installed or changed anything significant since buying the computer, nor what I made a backup to C or D or large file transfer done.

Any help would be most appreciated. Thank you.

Hi Virginia2332,

You mentioned that the total size of the hard drive is 750 GB and also mentioned that the size is 683 after formatting and 15 GB recovery partition that add up to 698 GB. So where's the advantage remaining 52 GB.

You have another partition outside C and D.

However, I suggest you perform a check disk on your computer that will rectify the bad sectors, if any. Bad sectors will also be counted as used space.

CHKDSK (Chkdsk.exe) is a tool for command line that checks volumes of disk for problems and attempts to fix everything what it finds.

1. click on Start.

2. type cmd in the search box start and press to enter.

3. type the following command at the command prompt: chkdsk driveletter: / f/r (chkdsk c:/f/r)

4. check the size of the hard drive.

Kind regards
Bindu S - Microsoft Support
Visit our Microsoft answers feedback Forum and let us know what you think

Tags: Windows

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