while booting my windows 8 it doesn't recongnize my hardisk by when i try ubuntu it detects and shows all my files,why this is hapeening?how could i boot windows 8?.......when try to install ubuntu i shows my file sytem format is swap...
When you say Ubuntu detects the filesystem as "swap" that indicates that the drive is un-formatted. It's possible there's a problem with the drive, but either way Windows will need to be re-installed.