On 09/02/2015 08:00 PM, Ed Greshko wrote: > On 09/03/15 09:06, CS DBA wrote: >> On 08/31/2015 08:34 PM, Ed Greshko wrote: >>> On 08/21/15 23:41, CS DBA wrote: >>>> I'm running Fedora 21 on a Dell M3800 laptop, been working great. >>>> Updating to the latest kernel however breaks my external display >>>> i.e. I plug the external monitor in and nothing happens, previous to the >>>> update when I plug in the external monitor >>>> the system would auto configure the second screen and I could use both >>>> monitors. >>>> >>>> I've googled the issue but not found anything. >>>> >>>> Thoughts? >>> Several thoughts come to mind... >>> >>> 1. What desktop are you using? GNOME. KDE, xfce, something else >> KDE >> >>> 2. Did you try going back to a working kernel? >> Yes, I had an rsync of the system from before the updae, running now >> with kernel 4.0.8-200 and it works >> >> >>> 3. It seems as if you're saying you've booted without the monitor attached >>> and plug it in later? Yes? If so, have you tried booting with the monitor >>> already attached? Or, attaching the monitor and then logging out/in? >> I've tried all of the above with the updated kernel, no luck. The second >> screen remains blank and I cannot move the mouse past the edge of the >> laptop screen irrespective of if I boot / login with the monitor >> attached or not > OK.... > > I think I see what is happening as I ran into this a while back myself and > just tested it on an Acer Laptop running F22/KDE > > Bring up "System Settings" and go to "Hardware--->Display and > Monitior-->Display Configuration". Assuming you see both monitors, make > sure they are aligned as they are physically. Position them and hit apply. > > Then move your mouse to the "blank" monitor. If it is want I think it is, > the arrow pointer will "disappear". Then right click and with any luck a > dialog box will appear and you'll be able to select either "Desktop" or > "Folder View" settings an pick a background. Initially, I found that the > background is "black" and it just looks like the display is not working.
No dice, the display section of the system settings only shows the laptop screen > > > -- users mailing list users@lists.fedoraproject.org To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
