Vga Patch for my DC doesn't work!

[Titikaka11]

Hello!
I've got a problem wit my DC!If I start the Patched Utopia Boot Cd,then I can't see anything!I have make all right!I have got a VGA Box from Hais!!My monitor is from Hewlett Packard!Can you all help me please??OK??Ciao Titikaka11

P.S:I make the monitor cable NOT plugged in to VGA box!Then I start Utopia Boot CD (patched),and wait a little bit,then I start the game Í want to play,then a bit later on my Dreamcast VMU Memory Card the game is on!The sound going,too!!then I plugged in the monitor cable into the VGA Box and shit,I see a black monitor!!What can I do??Ciao