Hi all, Just upgraded to Win-7-Utimate 32bit from Vista 32bit, on 2 machines the 1st being a Toshiba L300, the 2nd being another Acer 6530G that i have. Both upgrades seem fine and all is working on both machines except, that my Acer only shows C:\ drive as being present and only show 111GB available from an original 250GB? [where has partition D:\ gone?] the toshiba is fine! shows both drives! Have attached 2 screen grabs.