Hi, I have Dell-inspiron-6400 I am facing worse situation now a days 1- one error message appears to my laptop's screen "ri.exe- wrong volume", the wrong volume is in the drive. please insert volume in the drive E:. when this is cancelled, system hangs up and when restarted one black screen appears with the message "Missing operating System". other partitions on the disk also become corrupt. if i proceeds with the option of continue on the error message than same error comes with the drive E: and after that C:. All drives are FAT32 formated, C: -> 30 + GB D: -> 19 GB E: -> 20 GB. I have no clue to solve it.