Problem after problem!!!!!

[H2O endeavor]

Ok, i just sorted my xbox out after it was completely messed up. And now what? It wont even read any of my discs.

When i put a game in i just get a white screen with text on it saying 'This disc must be inserted into an Xbox 360 console'. ????????????? It is in a 360 console.

Does anybody know how i can resolve this problem before i completely throw my 360 out of my window??

Thanks.

[Maxman]

The instant problem generally persists 'cause of scanning lens of optical drive. Just try to clean your optical drive with some nice cleaning kit (containing a disk with brush and liquid). If problem remains the same, do consult some technician for further assistance.

[H2O endeavor]

How do i clean the scanning lens of optical drive?

[Maxman]

Insert the disk followed by the procedure as explained inside operating manual.