[VINSTAR]

i install Fedora7 and installation completed succesfully(KDE)
but after installing i reboot the system
and then select fedora7 and after booting
i get a black screen written
fedora7
localhostlogin:_
when i entered root then asked password i entered the password
but nothing happens black screen remains as the same before

but when i entered anything other in localhostlogin and typed something on password i get error that username/password incorrect
but root and its password is not working what can i do now
anybody pls help imm.............