Panasonic CF-48 Series Reference Manual

Also see for Toughbook CF-48 Series: Reference manual Operating instructions Reference manual Service manual Reference manual

Panasonic CF-48 Series Reference Manual Manual pdf 60 page image

60No display after poweringonThe power has not beenturned off, but after a cer-tain period of time, thereis no displayThe cursor cannot becontrolledAn afterimage appears(e.g., green, red, and bluedots remain on the dis-play) or there are dots notdisplaying the correctcolors.The external display nolonger displays properlyThe screen becomes dis-orderedAfter the display destina-tion of the screen isswitched with Fn + F3 ,the display destination re-turns to both the internalLCD and external displayupon operationDealing with Problems (Advanced)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 standby 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 or press Fn + F3 .Has the computer been set to the power-saving mode?To resume operation of your computer from the condition the power of the displayis off (for energy conservation purposes), press any key unrelated to the directtriggering of a selection, like Shift .To save power, your computer may have automatically entered the standby orhibernation mode. Press the power switch.Restart the computer by using the keyboard (e.g., ).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 ofcolor liquid crystal displays (color LCDs). Therefore, if 0.002% or less of the pic-ture elements either fail to light or remain constantly lit (that is, more than 99.998%of elements are functioning properly), no defect is considered to exist.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 condition the power of the display is off (for energy conservation pur-poses). In such cases, turn off the power to the external display.Changing the number of colors of the display may affect the screen. Restart thecomputer.Windows 98When using Dual-Display mode, use the same display colors for the external dis-play as those used by the LCD.Under the condition that the [MS-DOS Prompt]* screen is set to “Full Screen”, thedisplay destination returns to both the internal LCD and external display if “EXIT” isinput and the [MS-DOS Prompt]* screen is closed, or “Full Screen” is canceled (e.g.,Alt + Enter ), when the display destination of the screen is switched withFn + F3 .Press Fn + F3 again.* Windows NT Windows 2000 : [Command Prompt]Display