Same issue with me Xorg.0.log shows:
[ 3455.129] (II) NVIDIA(0): Assigned Display Device: DFP-1 [ 3455.129] (II) NVIDIA(0): Validated modes: [ 3455.129] (II) NVIDIA(0): "1920x1080_60" [ 3455.129] (II) NVIDIA(0): Virtual screen size determined to be 1920 x 1080 [ 3455.168] (--) NVIDIA(0): DPI set to (40, 40); computed from "UseEdidDpi" X config [ 3455.168] (--) NVIDIA(0): option [ 3455.177] (II) NVIDIA(0): Setting mode "1920x1080_60" [ 3455.259] (==) NVIDIA(0): Disabling shared memory pixmaps [ 3455.259] (==) NVIDIA(0): Backing store disabled [ 3455.259] (==) NVIDIA(0): Silken mouse enabled [ 3455.259] (**) NVIDIA(0): DPMS enabled [ 3455.259] (II) NVIDIA(0): [DRI2] Setup complete [ 3455.259] (II) NVIDIA(0): [DRI2] VDPAU driver: nvidia [ 3455.495] (II) NVIDIA(0): Setting mode "1920x1080_50i" As you can see it validates the mode of 1920x1080_60 and sets the mode, then 300th of a second later sets the mode to a different refresh rate 1920x1080_50i Attached is my xorg.conf also - I have disabled twinview and xinerama and nothing is working. ** Attachment added: "xorg.conf" https://bugs.launchpad.net/ubuntu/+source/nvidia-settings/+bug/634648/+attachment/3165075/+files/xorg.conf -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-settings in Ubuntu. https://bugs.launchpad.net/bugs/634648 Title: Saved settings are not used after log in/reboot/x server reboot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-settings/+bug/634648/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp