Robert P. J. Day wrote: > Quoting Ed Greshko <Ed.Greshko@xxxxxxxxxxx>: > >> Ed Greshko wrote: >>> Robert P. J. Day wrote: >>> >>>> ok, i've fought with this for a bit but still have no solution. to >>>> recap, dell inspiron 9200, WUXGA (1920x1200) display, now running F9, >>>> runs in full WUXGA mode out of the box perfectly. >>>> >>>> the instant i connect via VGA to a video processing unit (sorry, i >>>> can't be more specific, i'm not allowed), when i restart the X server, >>>> it comes up in 1152x864. why is this? what is it about X that >>>> connecting to an external VGA destination will drive the resolution on >>>> the laptop lower? i'm baffled. >>>> >>>> >>> The first place I would look is in /var/log/Xorg.0.log and determine if >>> there is a difference between when X starts with the unit connected and >>> when not connected. The log file is generated upon X starting. >>> >> I should have added that this is probably hardware related. Chances are >> the video chipset detects that it is attached to an external device and >> the external hardware is limited to the lower resolution and thus >> reports this at X startup. > > i'd thought of that, but i was *assured* by people who should know that > the external hardware is not reporting anything back to the laptop. and > forgive my video-related ignorance, but what is *normally* reported back? > in what format? and is there a way to tap that info in real time (a la > tcpdump)? or is just checking the X log file the way to go? thanks. > > It may not be reporting anything at all. The chipset simply detects electrical connections on the external jack and does its thing. I think you will see a difference in the log file that indicates the higher resolutions are not supported...I forget the exact wordings -- You worry too much about your job. Stop it. You are not paid enough to worry. -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines