hello this is my first message in this forum and i am new for linux.sirs i have a knoppix cd and want it to run for recover my data but problem is this cd is running perfectly in my home pc but when i try to run it on my corrupted pc it starts to boot ask for pressing return key and after that only blank screen comes.another then these both pc i tried to run it in a 3rd pc it again it starts and blank screen monitor shows some high frequency or some thing like that so please help me about this