2010/2/14 hce <webmail.hce at gmail.com>: > On Sun, Feb 14, 2010 at 9:08 PM, Eero Volotinen <eero.volotinen at iki.fi> wrote: >> 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? > > Acer Inspire Aspire 5920 laptop with Intel Corporation Mobile > GM965/GL960 Integrated Graphics Controller (rev 03). > >> Some, like nvidia and ati provides gui tools to configure settings. > > I actually tried to run system-config-display --reconfig for Sony > KDL-40V5500 LCD TV, it generated a new xorg.conf and I restarted > laptop, but still could not run X window on LCD TV. Please correct me, > but I thought if the xorg.conf is reconfigurated, it should work > unless that the CentOS 5.2 does not support the type of Sony LCD? Automatic configuration is not always perfect, you need to find out correct values for this kind of television. Just enter manually correct modelines using manual of tv. -- Eero