I just recently purchased an HIS X1650Pro and I've been desperately trying to get my TV to work as a secondary display but to no avail. I'm using S-Video for the connection and when I boot up my computer, my primary (monitor) display is black but the TV shows the boot-up sequence. Once Windows (XP SP2) loads, the TV goes black and the monitor takes over at my desktop. I've tried extending the desktop onto the TV in Display Properties but all that happens is the TV flickers for a second. Oddly enough, when I make my TV the primary, my monitor will remain black. I've used this TV before with my old Radeon 9800 as a secondary display and it worked without a hitch but I can't for the life of me make the X1650 work. I'm running: Asus A8N SLI Premium Windows XP SP2 2gb Ram HIS X1650Pro Any help at all would be infinitely appreciated as ATI's tech support is *severely* lacking and so is HIS. Thanks for reading.