When i booted back up my computer started recognizing both monitors again, and i was even able to switch back to the nvidia-390 driver (if i went back to 396 the second monitor stopped working again).. I've tried this with multiple monitors, vga cables, and hdmi cables, and in addition, as i mentioned earlier, for a short period of time after i update the driver, i was able to detect a second monitor (although only in the nvidia control panel, never through the windows display settings dialog) so it's not any of that.. The nvidia driver that comes with w7 (including the updated one that is delivered through windows update) was causing serious problems with my dual monitor setup. the second monitor would remain blank (actually, in power save) when w7 started..
I then loaded nvidia-settings and configured the monitors as i wanted after a restart to activate the drivers. after restarting, the 24" monitor showed a blank white screen (what is apparently a blank x display) and the other monitor continued to work.. Second monitor beta nvidia driver for windows 10 after the last update windows 10 my hp desktop will no longer recognize a second monitor. my main screen is stretched wide and will not adjust on the settings screen.. Alternatively, you can update your video card driver using the control panel software from companies like amd, nvidia, and intel depending on the brand you use to fix problems connecting to an.
