<html><blockquote><p>I have a geforce 610 video adapter.<br /><br />Followed up using the Ubuntu third party drivers installer and installed nvidia 358, also tried 361 and 364. Same problems on all versions. No GLX extension and no nv-control.<br /><br />MythFrontend loads with a black screen unless uysing the qt-painter.</p></blockquote>The glx problem is solved. I found a stale modules path in my xorg.conf file that was pointing to the wqrong directory.<br /><br /><br />In gthe meantime, I still have my original problem, which is that the nv-control module is not loading, so I'm not successfully changing refresh rates to match the framerate of my playback material:<br /><br /> 7.224] (II) LoadModule: "nv-control"<br />[ 7.228] (WW) Warning, couldn't open module nv-control<br />[ 7.228] (II) UnloadModule: "nv-control"<br />[ 7.228] (II) Unloading nv-control<br /><br />I'm running nvidia 364.15 :<br /><br /><em> grep -i nvidia /var/log/Xorg.0.log<br />[ 7.216] (II) Module glx: vendor="NVIDIA Corporation"<br />[ 7.219] (II) NVIDIA GLX Module 364.15 Sat Apr 2 20:49:18 PDT 2016<br />[ 7.228] (II) LoadModule: "nvidia"<br />[ 7.228] (II) Loading /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so<br />[ 7.247] (II) Module nvidia: vendor="NVIDIA Corporation"<br />[ 7.248] (II) NVIDIA dlloader X Driver 364.15 Sat Apr 2 20:26:47 PDT 2016<br />[ 7.248] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs<br />...</em><br />...<br /><br />Also installed libxnvctrl0 and libxnvctrl-dev , which appear to be in the same version as the nvidia driver:<br /><br /><em># apt install libxnvctrl0<br />Reading package lists... Done<br />Building dependency tree <br />Reading state information... Done<br />libxnvctrl0 is already the newest version (364.15-0ubuntu0~gpu16.04.2).<br /><br /># apt install libxnvctrl-dev<br />Reading package lists... Done<br />Building dependency tree <br />Reading state information... Done<br />libxnvctrl-dev is already the newest version (364.15-0ubuntu0~gpu16.04.2).</em><br /><br />If I search for the libraries I find them at /usr/lib:<br /><br /># locate libXNVCtrl<br />/usr/lib/libXNVCtrl.a<br />/usr/lib/libXNVCtrl.so<br />/usr/lib/libXNVCtrl.so.0<br />/usr/lib/libXNVCtrl.so.0.0.0<br /><br />Can anyone running mythbuntu 16.04/nvidia and a working nv-control post their installed libraries, versions and paths so I can see what I'm missing/doing wrong?<br /><br />Thanks!<br /><br />--Marius--<br /><br /><br /> </html>