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Chapter 4: Troubleshooting
16
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 re-detected all the active channels.
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 daisy-chain cable.
• Make sure the daisy-chain cable that you are using is the one provided. Using any other cable
will not guarantee proper operation or video quality.
• 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, double-shielded cables.
• 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 boot-up.
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 boot-up.
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 104-key keyboards.
• Make sure that the keyboard driver is for 101, 102 or 104-key keyboards, and not old
XT keyboards.
• Check to make sure that the power adapter is plugged in and is working properly. Make sure the
power switch is on.