AOC LM942 User Manual page 17

Wrong or abnormal colors
If any colors (red, green, blue) are missing, check the video cable to make sure
it is securely connected. Loose or broken pins in the cable connector could
cause an improper connection.
Connect the monitor to another computer.
According to WEEE regulation , this monitor can't be handled as
normal trash in Europe when it is out of usage. Please refer to the
recycle information from our website to handle it.
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