Panasonic CF-53AAGZX1M User Manual - Page 27

Troubleshooting Useful Information Getting Started „ Display The screen is dark. The screen is disordered. During Simultaneous display, one of the screens becomes disordered. z The screen is darker when the AC adaptor is not connected. Press Fn + F2 and adjust the brightness. As you increase the brightness, battery consumption increases. You can separately set the brightness for when the AC adaptor is connected and when not connected. z Press Fn + F8 to turn off the concealed mode. z Changing the number of display colors and resolution may affect the screen. Restart the computer. z Connecting/disconnecting an external display may affect the screen. Restart the computer. z Resuming from sleep ( ) /standby ( ) or hibernation may affect the screen of the external display. Restart the computer. z When using the Extended Desktop, use the same display colors for the external dis- play as those used by the LCD. If you continue to experience problems, try changing the display. Right-click on the desktop, and click [Graphics Properties...] - [Display]. Click [start] - [Control Panel] - [Other Control Panel Options] - [Intel(R) Graphics and Media] - [Display]. z Simultaneous display cannot be used until Windows startup is complete (during Setup Utility, etc.). The external display does not work normally. z When the [Command Prompt] is set to "Full Screen" by pressing Alt + Enter, the picture is displayed on one of the screens only. When the window display is restored by pressing Alt + Enter, the picture is displayed on both screens. z If the external display does not support the power saving function, it may not work normally when the computer enters the power saving mode. Turn off the external display. „ Touch Pad / Touchscreen (only for model with touchscreen) The cursor does not work. z When using the external mouse, connect it correctly. z Restart the computer using the keyboard. Press and press Î twice, and press Ï to select [Restart] and press Enter. Cannot input using the touch pad. Cannot input using the touchscreen. Cannot point the correct position using the included stylus. Press , U, and R to select [Restart]. z If the computer does not respond to keyboard commands, read "No response." (Î page 28). z Set [Touch Pad] to [Enabled] in the [Main] menu of the Setup Utility. z The drivers for some mice may disable the touch pad. Check your mouse's operat- ing instructions. z Set [Touchscreen Mode] to [Auto] or [Tablet] in the [Main] menu of the Setup Utility. z Set [Touchscreen Mode] to [Auto] or [Touchscreen Mode] in the [Main] menu of the Setup Utility. z Perform the touchscreen calibration (Î page 17). Appendix 27