Panasonic CF-17 Reference Manual

Also see for CF-17: Operating instructions Reference manual Supplementary instructions Supplementary instructions

41No display after poweringonThe power has not beenturned off, but after a cer-tain period of time, thereis no displayThe resolution of the dis-play cannot be changedAn afterimage appears(i.e.,green, red, and blue dotsremain on the display) orthere are dots not display-ing the correct colorsThe motion of the mousecursor is not smoothThe cursor cannot be con-trolledDuring simultaneous dis-play, the screen of the ex-ternal display becomesdisorderedThe external display nolonger displays properlyDealing With Problems (Advanced)At the time of purchase, the display setting is preset for an external display. If youconnect an external display, the screen is displayed on the external display.When there is no display to an external display,• Check your cable connection to the external display.• Confirm your display is powered on.• Check the settings for your external display.Try changing the display by pressing Fn + F3 .When displaying only through an external display, if the computer is shut down byusing the suspend or hibernation function, there will be no display on the LCDunless the external display is connected when operations are resumed. In thiscase, connect the external display.Has the computer been set to the power-saving mode?To resume operation of your computer from ECO mode, press any key (like Ctrl key).To save power, your computer may have automatically entered the suspend orhibernation mode. ( page 15 )Set [None] for [Wallpaper] in [Start] - [Settings] - [Control Panel] - [Display] - [Back-ground], and then press [OK]. Then, once again try changing the resolution. Afterthe change, be sure to restart the computer.If an image is displayed for a prolonged period of time, an afterimage may appear.This is not a malfunction. The afterimage will disappear when a different screen isdisplayed.High-precision and advanced technologies are necessary in the production of colorliquid crystal displays (color LCDs). Therefore, if 99.998% or more of the picture ele-ments are functioning properly, no defect is considered to exist.Select [Start] - [Settings] - [Control Panel] - [Mouse] - [Motion] and try to change thespeed.Restart the computer by using the keyboard (e.g., ).Try changing the display by pressing Fn + F3 .When an external display not compatible with the power saving mode is used withthe computer, the external display may no longer display properly when the computerenters the ECO mode. In such cases, turn off the power to the external display.Display