User Feedback :: Nice Program

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It could also be an incorrectly set frequency.

You could try adding "vga=normal" to the end of the boot string, remember if you're not typing any other options (such as "toram") to put "knoppix" first. This will force the graphics card into useing a pure text mode to display the bootup and shutdown messages. I have to use it on my PC as my monitor really dislikes the default mode.

hth,
Sam

original here.