D-Link DKVM-16 Manual - Page 21

Troubleshooting General Problems Q: The OSD menu does not display a " " on a channel where a computer is connected and powered up. A: DKVM-16 updates " " every 2 seconds. Use the hot key to access the OSD menu again and it should re-detect all the active channels. Q: When cascading the MASTER unit does not see the slave unit(s). A: ! Refer to the Installation section for information on how to properly connect the daisy-chain cable. ! Make sure you are using the correct daisy-chain cable. Using any other cable will not guarantee proper operation or video quality. ! Reset all the slave units first and then reset master unit to recover the lost slave unit. ! Although a power supply is not necessary to make the slave unit work, try adding a power supply. Monitor/VideoProblems Q: I am getting ghost shadowing or fuzzy images on my monitor. A: ! Check the cables and make sure that they are connected prop- erly. ! Your resolution and/or refresh rate may be extremely high, or your cable may be 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. 21