Answer to: no signal from computer to moniterGreetings, Check the monitor for which type of input signal it is currently set for. - there should be a choice within the set-up options for Dvi, HDMI, Display port or whichever cable type the Pc is connected to the monitor with. - insure that the cctv cameras are not set as the default source. Hope this helps in attaining a signal.
Answer to: Asus 52F Change monitor settins blindGreetings, First try plugging in a separate monitor to see if you can adjust the original display settings. - Should have a HDMI or video port on the side of the unit, - get cable that match's both the laptop and monitor's plug-in's, - if present select the 'function' (Fn) button and normally 'F7" to swap the display to an external monitor, From there you should be able to adjust the display settings. Good luck, 9erRed