recently tried to run knoppix 3.6 from a cd on a hp with a savage video card. it "booted" and then just prior to seeing the desktop the screen goes black nothing works...keyboard mouse even the eject button on the cd doesnt work....i push the power button...and the desktop appears for about 10 seconds and them it powers down...i am a complete and total newbie....any help would be appreciated...

Teddy