45External Displayz Simultaneous display and display switching do not work when [Command Prompt] screen is set to “Full Screen”.z If a picture is not displayed normally, lower the level of [Hardware acceleration] in the following menu.[Start] - [Control Panel] - [Appearance and Themes] - [Display] - [Settings] - [Advanced] - [Troubleshoot]CAUTIONz Before disconnecting the external display, switch to the internal LCD by pressing + P*2 or Fn + F3. Otherwise thedisplayed image quality may become different after disconnection (e.g., wrong resolution). In this case, press+ P*2 or Fn + F3 to reset the image quality.z The screen may become distorted due to the following operations. In this case, restart the computer.• Disconnecting an external display for which you have set high resolution or high refresh rate.• Connecting/disconnecting an external display during computer operations.*1 Windows XP: standby*2 Windows 7 only1 Press + P or Fn + F3.2 Click the display mode.1 Press Fn + F3.Each time you press the key combination:Internal LCD Simultaneous display External displayNOTEz Until Windows startup is completed (during Setup Utility, etc.), the simultaneous display cannot be used and pressingFn + F3 switches the display between the internal LCD and the external display (the projector etc.). (CF-52M/N seriesonly)z When an external display is connected to an optional port replicator (CF-VEB522), the display switching may work dif-ferently from the above. For further information, refer to the instruction manual of the port replicator.Switching the display mode