|Was Windows 7 working fine previously on this computer, |
- or - are you trying to install Windows 7 from scratch from a Windows 7 DVD ?
Tell us what it says on the blue screen that is unique.
E.g. STOP: 0X............
(we don't need the stuff in brackets to the right of that)
TEXT_IN_ ALL_CAPITAL_LETTERS_ WITH_UNDERLINES_BETWEEN_THE_WORDS
If there is a specific file named the message is about, quote the name of the file.