Panasonic Toughbook CF-W4GWCZZBM Operating Instructions Manual

Also see for CF-W4 Series: Operating instructions Reference manual

Dealing with Problems (Summary)48TroubleshootingNothing appears on the external dis-play, or the display is not correctz Check that the external display cables are correctly connected.z Check that the external display is turned on.z Check that the external display settings are correct.z When an external display not compatible with the power-saving mode isused with the computer, the display may not function correctly when thecomputer enters the power-saving mode. In this case, turn on the externaldisplay again.However, in the case of some external displays, the screen display may bedistorted or the mouse cursor may not be properly displayed depending onthe settings. In this case, try setting the number of colors, screen area (res-olution), and refresh rate to smaller values.To use both the external display andthe internal LCDz Connect the external display, then press the Fn + F3 key to switch the dis-play.If this does not switch the display, use the following procedure.A Click [start] - [Control Panel], from the [See Also] area click[Other Control Panel Options], then click [Intel(R) GMA Driverfor Mobile] - [Devices].B Click the display destination, and click [OK].• When the screen is displayed to a simultaneous display:[Intel(R) Dual Display Clone]• When Extended Desktop mode is set: [Extended Desktop]z When [Command Prompt] is set to "Full Screen" by pressing the Alt +Enter key, the screen is displayed on one of the displays only. Press theAlt + Enter key to return to the window display.z Simultaneous display cannot be used until Windows startup is complete(during Setup Utility, etc.).Problems with Operation during UseSome applications may not workproperlyz When switching to a different user with the Fast User Switching function,the following problems may occur:• Some applications may not work properly.• Key combination with the Fn key may not work.• It may not be possible to set the settings of the display.• The wireless LAN cannot be used. function>• The B’s CLiP icon will no longer be shown on the notification area andCD-RW disk cannot be written.In this case, log off all users without using Fast User Switching function,and try the operation once more. If the problem persists, restart the com-puter.z Some software applications installed after the time of purchase are notcompatible with Windows XP Service Pack 2. Refer to software maker’shomepage or other sources.No response z Is there an input screen (e.g., password input screen at startup) hiddenbehind another window? Use the Alt+Tab key to check for other windowsbeing displayed.z Press the Ctrl+Shift+Esc key to open Task Manager and close the soft-ware application which is not responding.z After sliding the power switch for at least four seconds to turn off the com-puter, turn on again.If Windows runs correctly, but the application software does not start, click[start] - [Control Panel] - [Add or Remove Programs] and remove the failingapplication software, then reinstall the application software.Problems with Display