Why cannot I install ubuntu9.10?

Why cannot I install ubuntu9.10? -- Linux general technology-Linux technology and application information. For details, refer to the following section. Based on the online method:
Ubuntu 9.10 was downloaded from www.ubuntu.org; the file name is: ubuntu-9.10-alternate-i386;
Use nero8 to engrave the disk, and then delete the E disk from the computer (37 GB in total );
Start it with a CD to go To the ubuntu installation screen;
Select a language;
Select to install ubuntu;
This computer restarts;
This is always the case;


Why? What's wrong? Hope experts can teach me !!
I don't understand linux, but I want to install it;

If it is related to hardware, my computer is
Lenovo Zhaoyang E42G notebook,
CPU: T5550;
Chipset: GM965;
Memory: 2 GB;
Hard Disk: 120 GB;
No Nic;