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Operating Manual
CX2550 M1
Troubleshooting and tips
8.3
Screen remains blank
Monitor is switched off
Ê
Switch on your monitor.
Screen has gone blank
Ê
Press any key on the keyboard.
or
Ê
Deactivate screen saver. Enter the appropriate password.
Brightness control is set to dark
Ê
Set the brightness control on the monitor to light. For detailed information,
refer to the operating manual supplied with your monitor.
Power cable or monitor cable not connected
Ê
Switch off the monitor and the server node.
Ê
Check whether the power cable is properly connected to the monitor and to
the grounded power outlet.
Ê
Check whether the monitor cable is properly connected to the server node
and monitor (if it is plugged in with a connector). If a separate graphics card
is installed in the server node, then the monitor cable must be connected to
the graphics card.
Ê
Switch on the monitor and the server node.
8.4
Flickering stripes on monitor screen
V
CAUTION!
Switch off the server node immediately. Risk of damaging the server
node.