On Fri, May 6, 2016 at 8:06 AM, Jerry Geis <geisj at pagestation.com> wrote: > | What is your graphics card model? > NVIDIA Corporation GK208 [GeForce GT 720] This does 4K > > | Which driver are you using? > I am using the NOUVEAU at this time > I would suggest trying the NVIDIA proprietary driver from the ELRepo rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-2.el7.elrepo.noarch.rpm yum install kmod-nvidia reboot > | What connector are you using (DVI, Display Port, HDMI)? > HDMI > > | Does it work at 4k with Gnome, or KDE? > Yes has worked under Gnome > > The /var/log/X log file shows it present from the monitor. > grep 3840 /var/log/Xorg.0.log > [ 6.540] (II) NOUVEAU(0): h_active: 3840 h_sync: 3888 h_sync_end 3920 > h_blank_end 4000 h_border: 0 > [ 6.540] (II) NOUVEAU(0): h_active: 3840 h_sync: 4016 h_sync_end 4104 > h_blank_end 4400 h_border: 0 > [ 6.996] (II) NOUVEAU(0): Modeline "3840x2160"x0.0 533.25 3840 3888 > 3920 4000 2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP) > [ 6.996] (II) NOUVEAU(0): Modeline "3840x2160"x0.0 297.00 3840 4016 > 4104 4400 2160 2168 2178 2250 +hsync -vsync (67.5 kHz e) > [ 7.104] (II) NOUVEAU(0): Modeline "3840x2160"x0.0 533.25 3840 3888 > 3920 4000 2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP) > [ 7.104] (II) NOUVEAU(0): Modeline "3840x2160"x0.0 297.00 3840 4016 > 4104 4400 2160 2168 2178 2250 +hsync -vsync (67.5 kHz e) > [ 8.290] (II) NOUVEAU(0): Modeline "3840x2160"x0.0 533.25 3840 3888 > 3920 4000 2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP) > [ 8.290] (II) NOUVEAU(0): Modeline "3840x2160"x0.0 297.00 3840 4016 > 4104 4400 2160 2168 2178 2250 +hsync -vsync (67.5 kHz e) > [ 11.932] (II) NOUVEAU(0): Modeline "3840x2160"x0.0 533.25 3840 3888 > 3920 4000 2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP) > [ 11.932] (II) NOUVEAU(0): Modeline "3840x2160"x0.0 297.00 3840 4016 > 4104 4400 2160 2168 2178 2250 +hsync -vsync (67.5 kHz e) > [ 13.939] (II) NOUVEAU(0): Modeline "3840x2160"x0.0 533.25 3840 3888 > 3920 4000 2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP) > [ 13.939] (II) NOUVEAU(0): Modeline "3840x2160"x0.0 297.00 3840 4016 > 4104 4400 2160 2168 2178 2250 +hsync -vsync (67.5 kHz e) > [ 14.076] (II) NOUVEAU(0): Modeline "3840x2160"x0.0 533.25 3840 3888 > 3920 4000 2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP) > [ 14.076] (II) NOUVEAU(0): Modeline "3840x2160"x0.0 297.00 3840 4016 > 4104 4400 2160 2168 2178 2250 +hsync -vsync (67.5 kHz e) > [ 14.212] (II) NOUVEAU(0): Modeline "3840x2160"x0.0 533.25 3840 3888 > 3920 4000 2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP) > [ 14.212] (II) NOUVEAU(0): Modeline "3840x2160"x0.0 297.00 3840 4016 > 4104 4400 2160 2168 2178 2250 +hsync -vsync (67.5 kHz e) > [ 14.349] (II) NOUVEAU(0): Modeline "3840x2160"x0.0 533.25 3840 3888 > 3920 4000 2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP) > [ 14.349] (II) NOUVEAU(0): Modeline "3840x2160"x0.0 297.00 3840 4016 > 4104 4400 2160 2168 2178 2250 +hsync -vsync (67.5 kHz e) > [ 14.624] (II) NOUVEAU(0): Modeline "3840x2160"x0.0 533.25 3840 3888 > 3920 4000 2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP) > [ 14.624] (II) NOUVEAU(0): Modeline "3840x2160"x0.0 297.00 3840 4016 > 4104 4400 2160 2168 2178 2250 +hsync -vsync (67.5 kHz e) > > I find no errors throwing out the mode. > > Thanks, > > Jerry > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos > -- Matt Phelps System Administrator, Computation Facility Harvard - Smithsonian Center for Astrophysics mphelps at cfa.harvard.edu, http://www.cfa.harvard.edu