On Tue, 2007-02-13 at 07:26 +0200, Dotan Cohen wrote: > On 13/02/07, Aaron Konstam <akonstam@xxxxxxxxxxxxx> wrote: > > On Mon, 2007-02-12 at 23:23 +0200, Dotan Cohen wrote: > > > On 12/02/07, Aaron Konstam <akonstam@xxxxxxxxxxxxx> wrote: > > > > On Mon, 2007-02-12 at 16:40 +0200, Dotan Cohen wrote: > > > > > I've a Dell E1505 laptop with a 1050*1400 resolution LCD screen, and a > > > > > regular external CRT monitor that can display video up to 768*1024. > > > > > I'd like to plug the monitor into the laptop's output, but I need the > > > > > output to display 768*1024. How would one go about ensuring that the > > > > > correct resolution is used depending on whether or not the monitor is > > > > > connected? > > > > > > > > > > Googling about led me to a bash script that changes screen resolution, > > > > > but I'd prefer something automatic: LCD always get 1050*1400 and the > > > > > CRT always gets 768*1024. > > > > > > > > > > Thanks in advance for any ideas. > > > > > > > > > This is not exactly automatic but its use depends on the answer to the > > > > following question. When you plug in the external monitor does the > > > > internal lcd screen cease working, If so one might do this. > > > > <ctrl><Alt> + cycles through resolutions in your xorg.conf so if you had > > > > the resolutions you mention above in your xorg.conf file it would be > > > > easy to switch between them. > > > > > > It only drives one display at a time, so I could switch between > > > resolutions. My xorg.conf file has no screen resolutions: > > > # Xorg configuration created by pyxf86config > > > > > > Section "ServerLayout" > > > Identifier "Default Layout" > > > Screen 0 "Screen0" 0 0 > > > InputDevice "Keyboard0" "CoreKeyboard" > > > InputDevice "Synaptics" "CorePointer" > > > EndSection > > > > > > Section "InputDevice" > > > Identifier "Keyboard0" > > > Driver "kbd" > > > Option "XkbModel" "pc105" > > > Option "XkbLayout" "us" > > > EndSection > > > > > > Section "InputDevice" > > > Identifier "Synaptics" > > > Driver "synaptics" > > > Option "Device" "/dev/input/mice" > > > Option "Protocol" "auto-dev" > > > Option "Emulate3Buttons" "yes" > > > # Option "UseShm" "true" > > > Option "SHMConfig" "on" > > > EndSection > > > > > > Section "Device" > > > Identifier "Videocard0" > > > Driver "vesa" > > > # Driver "radeon" > > > EndSection > > > > > > Section "Screen" > > > Identifier "Screen0" > > > Device "Videocard0" > > > DefaultDepth 24 > > > SubSection "Display" > > > Viewport 0 0 > > > Depth 24 > > > EndSubSection > > > EndSection > > > > > You ar right but if you run system-config-display your file will be > > changed so the last part will look like this: > > Section "Screen" > > Identifier "Screen0" > > Device "Videocard0" > > DefaultDepth 24 > > Option "passwordfile" "/root/.vnc/passwd" > > SubSection "Display" > > Viewport 0 0 > > Depth 24 > > Modes "1600x1024" "1440x900" "1400x1050" "1280x1024" > > "1280x960" "1280x800" "1152x864" "1152x768" "1024x768" "800x600" > > "640x480" > > EndSubSection > > EndSection > > > > and you will be able to choose the resolutions you want to use by > > removing the ones you don't want. That is the semi-automatic way to do > > this , but of course you could just type the lines in with the right > > resolutions, Then restart X. > > > > I added the line and restarted X. Now, it's stuck in "768*1024", and > CTRL-ALT-+ does not switch resolutions. I'll go back to my backup of > xorg.conf, but why will it not switch? > > Note, that before I added the line, CTRL-ALT-+ did switch resolutions, > but 768*1024 was not amoung the available resolutions. This was with > no resolutions defined at all in xorg.conf. It is "768x1024" not "768*1024" . Also try ctrl-alt - (minus) to get you back. -- Aaron Konstam <akonstam@xxxxxxxxxxxxx>
