When starting up after a erase/reinstall of Mac OS X 10.6 it will not accept any of my passwords/names

Question

when starting up after a erase/reinstall of Mac OS X 10.6 it will not accept any of my passwords/names, I had just entered my info and clicked on "continue", the cube began to turn and froze, a translucent screen came over the whole window and request that I restart the computer, after doing so, I got the start up sound and a message saying that OS X was starting up and then the sign in window, but when I entered my info it kept shaking/rejecting it, only thing I can think is that could I have possibly entered my password wrong twice, don't know, I'm still scratching my head.

Answer 1

Do it again, I'm afraid. Be sure you set up the initial admin account with a proper password you can remember - all lowercase letters and numbers. No special characters or spaces except for the "_" underline character.
Clean Install of Snow Leopard
Be sure to make a backup first because the following procedure will erase
the drive and everything on it.
     1. Boot the computer using the Snow Leopard Installer Disc or the Disc 1 that came
         with your computer.  Insert the disc into the optical drive and restart the computer.
         After the chime press and hold down the  "C" key.  Release the key when you see
         a small spinning gear appear below the dark gray Apple logo.
     2. After the installer loads select your language and click on the Continue
         button. When the menu bar appears select Disk Utility from the Utilities menu.
         After DU loads select the hard drive entry from the left side list (mfgr.'s ID and drive
         size.)  Click on the Partition tab in the DU main window.  Set the number of
         partitions to one (1) from the Partitions drop down menu, click on Options button
         and select GUID, click on OK, then set the format type to MacOS Extended
         (Journaled, if supported), then click on the Apply button.
     3. When the formatting has completed quit DU and return to the installer.  Proceed
         with the OS X installation and follow the directions included with the installer.
     4. When the installation has completed your computer will Restart into the Setup
         Assistant. Be sure you configure your initial admin account with the exact same
         username and password that you used on your old drive. After you finish Setup
         Assistant will complete the installation after which you will be running a fresh
         install of OS X.  You can now begin the update process by opening Software
         Update and installing all recommended updates to bring your installation current.
Download and install Mac OS X 10.6.8 Update Combo v1.1.