I am trying to set up my Toshiba Regza 42HL167 HDTV as a monitor for my Sony Vaio PCVRX580 using VGA, however I keep getting a "unsupported video signal" message on the TV. From what I have been able to find out it looks like if I set my screen resolution to 1024x768 this should work, but so far no success. BTW I have Windows XP on the PC. Does anybody have any suggestions, i.e. are there drivers I should be downloading, etc? Thank you.