24 TroubleshootingThe screen becomes disor-deredDuring simultaneous dis-play, the screen of the exter-nal display becomes disor-deredWhen the screensaver is set,an error will occur during aresume operation.Unable to shut down Win-dowsShutting downDo not shut down Windows during music playback.Dealing With Problems (Summary)Windows 98Is Acrobat Reader installed?If Acrobat Reader is not installed, run [c:\util\reader\setup.exe]* in [Start] - [Run] to rein-stall the program. When installing the program, do not change the installation destinationfolder. If the destination folder is changed, the Reference Manual cannot be opened fromthe [Start] menu.* Windows NT : [c:\util\reader\ar40eng.exe]Windows 2000 : [c:\util\reader\ar405.exe]If an attempt is made to open a PDF file from [Windows Explorer], etc., by clicking on thefile, there are cases Acrobat Reader will no longer start up. In such cases, restart the com-puter.To open a PDF file, run Acrobat Reader first and then specify the name of the file to open in[File] - [Open]. For the Reference Manual, this procedure does not need to be followed.The Reference Manual can be opened by selecting [Reference Manual] in [Start] - [Pro-grams] - [Panasonic] - [On-Line Manuals].Reference ManualThe Reference Manual isnot displayedWindows 2000A PDF file cannot be openedChanging the number of colors of the display may affect the screen. Restart the com-puter.When using Dual-Display mode, use the same display colors for the external display asthose used by the LCD.Try changing the display by pressing Fn + F3 .This combination does not work when the computer is in the Dual-DisplayMode.When the computer automatically enters the standby mode while the screensaver is run-ning, an error may occur during a resume operation. In such cases, turn off the screensaveror try changing the pattern of the screensaver.DisplayWindows 98