Sharepoint 2007 site on 2008 not working

Hi All

I was just wondering if anyone could help me.

I have installed a new server2008 r2 and i have successfully installed sharepoint 2007 and restored my companyweb and i can acces this perfectly on the server but when it comes to accessing it from any of my client machines i just get a internet explorer cannot display the webpage.

Any help appreciated im pulling my hair out.

Scott