Lindy 39336 Manuel Utilisateur page 7

User Manual
Troubleshooting
Please check that all monitor and USB cable connections are firmly connected to ensure correct
operation of the KVM switch.
No video displayed:
If the KVM Switch reacts to the universal hotkey with a beep signal, but no monitor picture is displayed,

please check if the currently selected computer is in sleep mode or powered down.
Please use high quality video cables as short as possible and for HDMI and DP not longer than 2m.

The KVM Switch should be the same video interface as the monitor (and the graphics card). Using
different interfaces and adapter cables may cause unpredictable incompatibilities.
HDMI monitors on DVI KVM Switches: HDMI monitors provide EDID information to the computer

allowing the graphics card to output higher resolution and colour mode/depth signals than supported
by the DVI-D KVM Switch. The KVM Switch cannot support these signals and will not show any picture
unless the graphics card signal gets restricted to DVI-D compatible signals, max. 1920x1200@60Hz
RGB.
DP KVM Switch: When using highest resolutions like 4K @ 60Hz only short 1m high quality DP

cables can be used for reliable operation on powerful graphics cards. DP++ passive protocol
converters may be supported using max. 1m length monitor cables. Active protocol converters and
MST Hubs are not supported.
USB problems:
Do not switch ports or use the keyboard and mouse until USB driver installations are complete (if

required by PCs OS).
Connect the keyboard and mouse or device directly to the computer and check the status of the

installed drivers. Once drivers are installed the devices also should work when connected to the KVM
switch.
The maximum distance supported by USB 2.0 is 5m, 3m for USB 3.0. If a longer distance is required,

please use a USB Active Extension cable.
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