Can a Hard Drive be Optimised to Free Up Space?

  thegreypanther 11:02 13 Oct 2007

The second hard drive on my PC (running Windows Vista Home Premium)shows up as having 160 Gb used space when I right click on the drive letter and select "Properties".
But if I then tally up the properties for each individual folder the space used only adds up to 125 Gb.
How is this additional 35 Gb space accounted for?
The recycle bin only holds 225 Mb of files, and all temporary files are held on the primary disc drive.
Could this additional 35 Gb space be freed up by optimising the disc, or defragmenting it?
IS there a way of optimising the disc?

have a look at how much system restore is allocated

  thegreypanther 11:34 13 Oct 2007

Hate to sound totally ignorant, but where would you find out how much space has been allocated to system restore?

hope this helps
click here

  thegreypanther 11:47 13 Oct 2007

Many thanks, Raven.
The "missing" 35 Gb is now fully accounted for.

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