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Having said that most modern "gaming" LCD monitors have "low enough" <abbr title="Shouldn't be confused with Display Lag though.">'''input''' lag</abbr>, and many newer TVs also have negligible '''input''' lag so long as '''Game Mode is turned on'''. [[Input_lag#External_Links|These websites]] makes it a point to test the displays it reviews for display and input lag, so if you're in the market for a monitor or TV and display lag including input lag is a concern, check there first.
===[[Wikipedia:Compositing_window_manager|Compositor]]/Windows Aero===If you're using Windows Vista/7 and are playing in windowed mode, having [https[Wikipedia://en.wikipedia.org/wiki/Windows_Aero |Aero]] enabled will add a noticeable amount of input lag because '''it forces vertical synchronization ''' at the OS-level. The same thing applies to other OSes '''if ''' compositing is enabled with VSync. Aero can be disabled in both Vista and 7, thus disabling compositing and lowering input lag when playing in windowed mode, but this can no longer be done from Windows 8 onward due to [[Wikipedia:Windows_Display_Driver_Model#WDDM_1.2|WDDM 1.2+]]. That said, exclusive fullscreen should automatically disable compositing on all Windows OSes, making it the preferred way to emulate in most cases.
To disable Windows Aero under Windows Vista/7, select the Basic or Classic theme under Control Center > Personalization, or disable desktop composition under .exe properties > Compatibility. Some emulators and frontends allow you to disable desktop composition without having to switch themes.
