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Troubleshooting
ML19G User Manual, January 2015
21
Troubleshooting
Video Troubleshooting
IMPORTANT!
If using a KVM extender, first try to resolve any problems using the solutions listed
below� If the problem still exists, try bypassing the KVM extender� If this fixes the
problem and allows the monitor to work properly, then the KVM extender is the
source of the problem� Please refer to the troubleshooting section of the KVM
extender manual or contact Hope Industrial Systems for additional assistance�
Symptom
Causes
Solutions
No image on
the screen and
control's Power
Indicator light is
not lit
Monitor is not powered on�
• Press the Power button on the
monitor and make sure the Power
Indicator light is lit blue�
• Check power connections at the
monitor and power source�
• For DC models, check the connector
polarity and ensure input voltage is
9�6 to 36�6 VDC�
The "Auto Power Off"
function is enabled�
Disable this setting by unchecking the box
for the "Auto Power Off" function in the
OSD's "Setup" menu�
No image on
the screen and
control's Power
Indicator light is
lit orange
Video cable is not plugged in
correctly�
Check the video cable connection at the
monitor, PC, and/or KVM extender�
PC is in Power Saving
mode�
Power Saving mode can usually be exited
by moving the mouse�
PC is not powered on�
Ensure PC is powered on�
PC is not sending signal�
Connect the PC to another known working
monitor to check the PC source signal�
Screen image is
dim
Brightness and/or contrast
settings are not set properly�
Adjust the monitor's brightness and
contrast settings in the OSD's "Contrast/
Brightness" menu�