Display On The External Screen Does Not Appear Or Scrolls; No Mouse Pointer Appears On The Screen/Display - Siemens SIMATIC PC 670 Equipment Manual

Fault Diagnosis
6.3

Display on the External Screen Does Not Appear or Scrolls

Cause/Remedy
The incorrect line frequency and/or resolution is set for the screen or the
application program.
S Exit from the application program. If the fault continues to occur after
terminating the program, switch the monitor off and then on again following a
wait of at least 3 seconds.
S Adapt the entries for the screen in the CONFIG.SYS file accordingly (on the
hard disk).
S Correct the settings for monitor/graphics in the application program.
S Select the correct monitor driver for the application program.
6.4

No Mouse Pointer Appears on the Screen/Display

Cause/Remedy
If no mouse pointer appears, it may be due to the following reasons:
Mouse driver not loaded
S Check whether the mouse driver has been properly installed and is available
when the application program is started. Please refer to the mouse or
application program manuals for detailed information on the mouse driver.
Mouse not connected
S Switch the computing unit off.
S Check that the mouse cable is properly connected to the computing unit. If an
adapter or extension cable is used for the mouse cable, check the plug in
connection.
S Turn your computing unit on.
Note
If the mouse pointer still does not appear following these checks and corrective
measures, contact the technical service department.
6-4
Panel PC 670 Computing Unit, Equipment Manual
Release 04/02