This is a problem with the nvidia driver, which doesn't support the xrandr protocol. Drivers supporting xrandr have this ability already; the screen resolution falls back to the laptop's own screen if the external monitor is disconnected during suspend, as far as I know.
This is a problem with the nvidia driver, which doesn't support the xrandr protocol. Drivers supporting xrandr have this ability already; the screen resolution falls back to the laptop's own screen if the external monitor is disconnected during suspend, as far as I know.