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Troubleshooting
24
UM17E User Manual, June 2010
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 HIS 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 green�
• Check power connections at the
monitor and power source�
"No Signal"
message box and
no image on the
screen
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 or
pressing a key on the keyboard�
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�