On Fri, 2005-10-14 at 22:39 +0100, Paul Smith wrote: > On 10/14/05, jludwig <wralphie@xxxxxxxxxxx> wrote: > > > > I have just bought a new monitor (a LCD one), but when FC4 starts, I > > > > get a message: > > > > > > > > "No support" > > > > > > > > and nothing happens after that. How can I solve this problem. > > > > Curiously, with my MS Windows partition, there is no problem. > > > > > > I have tried to boot in text mode and run > > > > > > system-config-display --reconfig > > > > > > but no success. > > > > > > Any further ideas? > > > > > The reason your monitor is going blank is because it can't use the frequencies > > that the video card is putting out. To protect itself it turns off. > > > > If you know the sweep frequencies of the monitor and the resolution you will > > be using, edit these sections of /etc/X11/xorg.conf (these are mine for a > > sample) and enter the numbers into your file; > > Section "Monitor" > > Identifier "Monitor0" > > VendorName "Digital Electronics" > > ModelName "Digital 21 in. Color (FR-PCXAV-WZ)" > > HorizSync 30.0 - 85.0 > > VertRefresh 50.0 - 120.0 > > Option "dpms" > > EndSection > > > > Section "Screen" > > Identifier "Screen0" > > Device "Videocard0" > > Monitor "Monitor0" > > DefaultDepth 24 > > SubSection "Display" > > Viewport 0 0 > > Depth 16 > > Modes "800x600" "640x480" > > EndSubSection > > SubSection "Display" > > Viewport 0 0 > > Depth 24 > > Modes "1280x1024" "1280x960" "1152x864" "1024x768" > > "800x600" "640x480" > > EndSubSection > > EndSection > > Thanks, jludwig. The problem was solved in the following way: > > * connected the old CRT monitor; > * on FC4, I changed the resolution to 1024x768; > * did shutdown; > * started FC4 again. > My new LCD would not support a VertRefresh of > 60.0 at maximum resolution. I simply edited that line in the Monitor section of xorg.conf and set the range to 60.0 - 60.0, and I was then able to use the monitor resolution of 1600x1200 with no problems. > Paul >
