i found out that when i installed ubuntu i formatted every thing by accident and now i tryed to install windows 7 but when i did i find that all of my patition are gone and now i only have a big partition and another samll one so i cant to install windows 7 at all ..... i tryed to resize the big partition with a programme called GParted but it didn't work ... and i found a logo like a key beside the two partition ..... so what can i do to install win 7 even if thats mean to formate the ubuntu and HOWWWWWWWWWWW??????