Panasonic CF-18 Series Operating Instructions Manual

Also see for Toughbook CF-18 Series: Precautions for Installing Precautions for Installing Operating instructions Supplementary instructions Supplementary instructions

Contents

24 TroubleshootingDealing with Problems (Summary)Press F9 in the Setup Utility ( “Setup Utility”). This will restore the SetupUtility’s settings to their default values (except the password settings).Try removing all peripheral devices.Check a disk error using the following procedure.1 Select [Local Disk(C:)] with the right button in [start] - [My Computer], and select[Properties].2 Select [Tools] - [Check Now].3 Select [Start] after selecting required items in [Check disk options].At startup, hold down F8 when the [Panasonic] screen disappears, and release yourfinger when the Windows Advanced Options Menu is displayed. Start the computer inSafe Mode, and confirm the details of the error.Starting Up (continued)When the previous item isnot the causeNo display after powering onThe power has not beenturned off, but after a cer-tain period of time, there isno displayWhen the battery pack isused, the screen is darkerthan when the AC adaptoris connectedThe cursor cannot be con-trolled properlyThe cursor does not move inscrolling area of the touchpadAn afterimage appears (e.g.,green, red, and blue dotsremain on the display) orthere are dots not display-ing the correct colorsWhen 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 by usingthe standby or hibernation function, there may be no display on the LCD unless theexternal display is connected when operations are resumed. In this case, connect theexternal 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 display is off(for energy conservation purposes), press any key unrelated to the direct triggering of aselection, like Ctrl .To save power, your computer may have automatically entered the standby mode (powerindicator blinks green) or hibernation mode (power indicator turns off). In such cases,slide the power switch.If you want to switch the display destination repeatedly by pressing Fn + F3 , makesure that the display destination has switched completely each time before pressingFn + F3 again.Press Fn + F2 and adjust the brightness. Note, however, that when the brightness isincreased, the battery running time will become shorter.Brightness can be set to separate levels for when the AC adaptor is connected and when it isdisconnected.Restart the computer by using the keyboard (Press , U , and select [Restart] with, then press Enter ).If the computer does not respond to keyboard commands, read “Computer hangs”( page 26).When the Microsoft ® IntelliMouse™ Wheel mode or the original mode is set for the touchpad, only scroll operations are possible for the right part or bottom part of the touch pad. Inthis case, cursor operations are possible by using the work surface excluding the right part orbottom part. When no mode is set, the entire surface of the touch pad can be used for cursoroperations.If an image is displayed for a prolonged period of time, an afterimage may appear. Thisis not a malfunction. The afterimage will disappear when a different screen is displayed.High-precision and advanced technologies are necessary in the production of color liquidcrystal displays (color LCDs). Therefore, if 0.002% or less of the picture elements eitherfail to light or remain constantly lit (that is, more than 99.998% of elements are function-ing properly), no defect is considered to exist.Display