想問 format 錯左 harddisk , 在安裝了XP, 可否 recover 番 d data

這是絕對絕對有可能的！
但須要很長時間，而找回的檔案好有機會已經零散不全。

最少的條件要求：
1. 沒有再次在硬盆上寫入任何檔案！(包括安裝軟件)
2. 硬盆並沒有懷

若以閣下的 case 來說，要全部取回資料的可能性很低，
因你已重裝過一次系統了！
看情況；深信只是能夠取回部份資料。

介紹你用這個軟件試試，但你也得要裝在另一部電腦去運行，
之後再將硬盆內的資料全部取出。

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2007-01-23 23:11:41 補充：
謝謝發問者選用我的解答

You can try a product called Active Undelete.

http://www.active-undelete.com/