A the end it wasn't a mother board problem but a HD problem! For some reason the OS had been deleted I used a non pae version of ubuntu and i checked that the HD was ok. Than i descovered that my dvd reader worked again and i'm now using windows 7 on it

Thank you so much i solved it!

How can i do it? Advices about the OS to use?

Hi! And, welcome to thinkpads.com. Sad that it's a problem that brings you here, but maybe we can help. It could very well be a hard drive failure, but we've also see cases where failing Southbridge solder balls cause similar problems. Perhaps you could try booting from a LiveCD and see if you can ...

Hi! I'm italian so apologize me if my english is not perfect :) This is my problem. When i turn on my T42 it shows the normal ibm image and than stops on this: Missing operating system. Intel(R) Boot Agent GE v1.2.17 Copyright (C) 1997-2003, Intel Corporation Intel(R) Boot Agent PXE Base Code (BA121...