Try the password again which you have already used; make sure that the keyboard's
Caps-Lock or Number lock keys are not altering your password
If you password is XyZ123, then xyz123 won't be recognized--passwords are "case-sensitive".
If that still doesn't solve the problem, ensure that you have not altered the keyboard's language set-up in which you installed your system software. Again, in the installation process, you were asked to designate the language format for the keyboard.
When you installed your Mandrake system, at some point in the process, you were asked to designate a password for what is called "root".
"Root" is the login (or, if you prefer, the "user name") name which enables access to the full range of your system's administration. For example, it's the "root" user which sets up other user's accounts or user names. Ordinarily, no other non-"root" authorized user can do this. "Root" also is the sole user able to issue certain sensitive and essential commands to be executed at the command-line prompt.
command line prompts are the place where your cursor is found after you hit the enter or return key
they look like a
in most cases.