On 12/22/2013 11:15 AM Ned Slider wrote: > On 22/12/13 15:29, ken wrote: >> On 12/22/2013 07:46 AM Reindl Harald wrote: >>> >>> >>> Am 22.12.2013 13:36, schrieb ken: >>>> What's the smoothest way to change the monitor on a system? I've done >>>> this before and, aside from the initial cold boot (after unplugging the >>>> old monitor and plugging in the new one), it also took restarting X >>>> (gnome) several times to get the (new) monitor tuned correctly. >>>> >>>> The "new" (actually a bit old) monitor is an Acer P191W d. It is a >>>> 19-inch, LCD flat-screen. Other specs: >>>> >>>> Aspect Ratio 16:10, >>>> Native Resolution 1440 x 900 at 75 Hz >>>> Pixel Pitch 0.284 mm >>>> >>>> Does anyone have an xorg.conf entry for this monitor and/or suggestions >>>> as to what a workable (or optimal) xorg.conf entry might be? >>> > CentOS 5 or CentOS 6? 5. > > Are you using any proprietary display drivers, or are you using the > native Xorg drivers? Just the native... at least to start out. > > Answers to these questions will affect your options. > > I'd back up any current xorg.conf file, plug it in and restart X and see > what happens. If it's not to your liking try running your Xorg config > utility (which can be different for different proprietary display drivers). I did the "restart X and see what happens" thing for a different monitor a few months ago and it made a real mess of things. So that's specifically what I'm trying to avoid this time... if I can. Having a working xorg.conf, in my experience, is a better, cleaner way to go.