2010/2/14 hce <webmail.hce at gmail.com>: > Hi, > > I am running CentOS 5.2 on Acer laptop, I try to display laptop screen > on a LCD TV via VGA cable. It was fine while PC was booting in text > mode, but as soon as I started X Window, the LCD TV has error > "Unsupported signal, adjust your PC out". > > How can I adjust or may be regenerate an xorg.conf for the LCD TV > (Sony KDL-40V5500)? What is type of display card on computer? Some, like nvidia and ati provides gui tools to configure settings. -- Eero