The new boot manager and more should wipe out that recovery partition and more.
Try what I did. I used CLONEZILLA (see google) to save the old system in case I wanted to go back.
As to losing all the data, we never lose what we backed up.
Bob
well i have a laptop with win vista 32 bit already installed on one partition.i have totally three partitions.one with the OS,one with the recovery partition and one just for my files.all three are on the same hard drive.now i recently got win 7 64 bit and want to do a clean install.can i do it without losing all the data in the recovery and other partition???

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