gemini

I have just bought a 40 inch flat tv and I have connected it to my 17 inch toshiba laptop,I have connected a male to male vga lead and all is fine ACCEPT there lots of lines in the background on the tv,the laptop screen is fine,I use to have a different tv and there was no problem,I was hoping that maybe someone could help me with this.. THANKYOU JASON:( PS.You can see from picture uploaded the lines ,sorry its not brilliant but I hope it will be enough to help..