I got a problem when it comes to playing demos

Everytime I try to play a demo it says the disk is unreadable which Im thinking this is bs seeing as there is no disk. Ive already sent my xbox in 3 times

I have never encountered this problem

Everytime I try to play a demo it says the disk is unreadable which Im thinking this is bs seeing as there is no disk. Ive already sent my xbox in 3 times

gta4_2112

I was looking forward to playing BFBC2 demo but I only played one match and it kept goin unreadable or freezing

it sounds to me like your hard drive is corrupted.

http://support.microsoft.com/kb/909819

have a look at method 4 it explains what to do if you are getting this problem from games on your HDD.