Troubleshooting
These troubleshooting instructions are meant to eliminate interruptions of use caused by possible
Problem | What to do |
Blank screen
Colour missing or error message “No connection. Check signal cable”
If the power LED is not lit, push the power switch to turn the display unit ON. If the display unit is powered through the computer, check that the computer is switched on.
The display unit might be in standby state. Push one of the keyboard keys. Check that the keyboard is properly connected to the computer.
Maximize the brightness and contrast of the screen (see section Adjusting the picture).
Check that the power cable is correctly connected to the display unit and to the power outlet. Use a desk lamp, for example, to check that current is connected to a power outlet.
Switch off the display unit and the computer. Unplug the display unit from the power outlet for about one minute. Restart.
Check that the signal cable connectors are properly connected and that the connection pins are not bent or damaged. If the connectors are loose, tighten the connectors’screws.
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