Alfa
You really need to read the post link I posted above because it details all your issues your gonna have.. You have not updated your config files to read the new information. You need to transfer your files and database to the new server and then follow this thread in its entirety. You can also try running install.php again to update all the paths and database info. Basically your still connecting to the old mysql database it would appear.
How to Move Servers and/or Change Directories