Chapter 4: Troubleshooting
General Problems
Q:The OSD menu does not display a “
” on a channel where a computer is connected and powered up. What do I do?
Your KVM SWITCH will update “ 
” every 2 seconds. Using the hot keys to access the OSD menu again should have
Q: When cascading the MASTER unit does not see the slave unit(s).
One of the following may be the case:
•Refer to the Installation section for information on how to properly connect the
•Make sure the
•Reset all the slave units first and then reset master unit to detect the lost slave unit.
•Although a power supply is not necessary to make the slave unit work, try adding a power supply.
Monitor/Video Problems
Q: I am getting ghosting shadowing or fuzzy images on my monitor. What do I do?
One of the following may be the case:
•Check the cables and make sure they are inserted properly.
•Your resolution and / or refresh rate is extremely high, or your cable is too long. Replace your VGA cables with coaxial,
•Check to make sure that the power adapter is plugged in and is working properly. Make sure the power switch is on.
•Lower your refresh rate and / or screen resolution settings.
Keyboard Problems
Q: The keyboard is not detected, or a keyboard error is reported during
One of the following may be the case:
•Check the cables and make sure they are inserted properly in the correct ports.
•Check to make sure that the power adapter is plugged in and is working properly. Make sure the power switch is on.
Q:The keyboard is not detected, or a keyboard error is reported during
One of the following may be the case:
•Check the cables and make sure they are inserted properly in the correct ports.
•Make sure the keyboard works when directly plugged into the computers.
•Try a different keyboard, but use only 101,102 or
•Make sure that the keyboard driver is for 101, 102 or
•Check to make sure that the power adapter is plugged in and is working properly. Make sure the power switch is on.
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