When defragmenting Vista operating system, you will find that Microsoft has eliminated the status icon of the defragmentation, and fragmentation analysis interface. Hence, users can not, as what they can do in windows XP, see the fragmentation rate of the computer to make sure whether to defragment the computer or not. That is very woeful. But here, you will get tips on how to clearly defragment vista without difficulties.

It is a little difficult to defragment a vista computer because of the unfriendly user interface— no report and no progress bar. But does it mean that we can not clearly defragment a vista computer? NO, with the method below, you can defragment your vista computer easily.
1) Click Start Menu.
2) Go to Programs and then Accessories.
3) Right click Command Prompts to select “Run as administrator”.
4) Type the command as follow: defrag (drive letter): –a, for example, defrag c: -a, and then press Enter.

After that, there will be a generated report showing the volume size, Free space, Largest free space extent, and Present file fragmentation and suggestion on whether to defragment the volume or not. But please note that it will take some time to finish based on the size and the fragmentation of the hard disk you select.

But in my opinion, to make the defragmentation easily, it is much better to depend on some defrag programs. Of all the defrag programs I have used, Advanced Defrag is the one that impressed me so much: its friendly user interface, the big buttons with clear function on its interface and the pie-chart design make everything very easy and simple. What is more, users are provided a very detailed generated web-report, showing the fragments on the computer after the Analyze and report about the fragments before and after the defragmentation after the Fragment button, making every defragmentation simple and straightforward.

So I deeply recommend you to use this defrag program in you want to defragment your vista computer clearly. You can go here for a free 7-day trial of this program.