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Troubleshooting and tips Flickering stripes on the monitor screen
40 A26361-K646-Z102-1-7619
Brightness control is set to dark
Ê Set the brightness control to bright. For detailed information, please refer to the Operating
Manual supplied with your monitor.
Power cable or monitor cable not connected
Ê Switch off the monitor and the server.
Ê Check whether the power cable is properly connected to the monitor and to the power outlet.
Ê Check whether the monitor cable is properly connected to the server and monitor (if it is
plugged in with a connector). If a separate graphics card is installed in the server, then the
monitor cable must be connected to the connection of this graphics card.
Ê Switch on the monitor and the server.
7.4 Flickering stripes on the monitor screen
!
Switch off the server immediately.
Monitor does not support the set horizontal frequency
Ê Find out which horizontal frequency your monitor screen supports. You will find the horizontal
frequency (also known as line frequency or horizontal deflection frequency) in the
documentation of your monitor.
Ê Refer to the documentation for your operating system or the corresponding driver software for
the screen controller for how to set the correct horizontal frequency for your monitor, and follow
the procedure accordingly.
7.5 No screen display or display drifts
The wrong horizontal frequency and/or resolution has been selected for the monitor or for
the application program.
Ê Find out which horizontal frequency your monitor screen supports. You will find the horizontal
frequency (also known as line frequency or horizontal deflection frequency) in the
documentation of your monitor.
Ê Refer to the documentation for your operating system or the corresponding driver software for
the graphics card for how to set the correct horizontal frequency for your monitor, and follow
the procedure accordingly.