beautypg.com

3 the screen display does not appear or drifts, 4 no mouse pointer appears on the screen – Siemens Simatic 620 User Manual

Page 124

background image

Error Diagnosis

6-4

SIMATIC Box PC 620 Manual

A5E00131465-01

6.3

The Screen Display Does not Appear or Drifts

Cause and Remedy

Either the incorrect line frequency and/or the incorrect resolution is set for the
screen or for the user program.

S Stop the user program. If the error still occurs after you have ended the pro-

gram, switch off the monitor. After at least three seconds, switch on the monitor

again.

S Adjust the relevant entries for the monitor in the CONFIG.SYS file (on the hard

drive).

S Correct the settings for the monitor and graphics in your user program.
S Select the correct screen driver for your user program.

6.4

No Mouse Pointer Appears on the Screen

Cause and Remedy

The mouse pointer may not appear for the following reasons:

The mouse driver is not loaded

S Check whether the mouse driver is correctly installed. Check whether the

mouse pointer is present when you start your user program. Refer to the ma-

nuals for the mouse and user program to obtain detailed information about the

mouse driver.

The mouse is not connected

S Switch off your PC.
S Check whether the mouse cable is connected to the system unit correctly. If

you use an adapter or an extension cord for the mouse cable, also check their

plug-in connections.

S Switch on your PC.

Note
If the mouse pointer still does not appear on the screen after you have performed

these checks and measures, please contact your technical support team.