I hv lenovo g580 lappy with intel hd 4000 graphics but the problem is I am unnable to use second screen only option after selecting it my tv says unsupported signal but from where to fix this resulution? Plz help me out guyzz as Extend display option everything works ok I hv fixed the resulution 1080i
press win+p choose SECOND SCREEN ONLY GOTO Control Panel\Appearance and Personalization\Display\Screen Resolution CHOOSE 2nd DISPLAY press apply Adjust 2nd display resolution press Apply. DONE
yes choosed 2nd display apply both screen goes black and resulution choose option not available in 2nd display