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You probably have to configure your laptop to display the incoming signals. It may not even work, as usually those VGA ports are for transferring your laptops display to a screen, not input. Try right clicking your desktop and clicking display properties.. and messing with setting in there.

Unfortunately you cannot use your laptop screen as a monitor for your Xbox 360, the Xbox 360 VGA cable was designed for use with PC Monitors.

possibly you should objective booting in to secure mode to %. the main compatible mode of output. a million. get rid of any discs from the disc tray. 2. turn the console off. 3. turn the console on. notice while you're utilising an Xbox 360 on the spot Controller, turn the console on by ability of utilising the Xbox instruction manual button on the controller. confirm which you employ the participant a million controller once you do this. The participant a million controller could have the better-left quadrant mild illuminated. 4. as a results of fact the console starts, press and carry the Y button, and then pull the properly suited set off on a similar time. 5. The Xbox Dashboard resets the exhibit settings to the default settings, and then immediately restarts the console