Lindy 39540 User Manual page 6

User Manual
Troubleshooting
No video is displayed.
Check that all devices are powered on, if in doubt, turn off all devices and power them back on in the

following sequence: KVM switch, display, source devices.
Check that all HDMI connections between the display, KVM switch & source PCs are firmly secured

within their respective ports.
Check the length of the DisplayPort cables in use. It is recommended that high quality DP cables are

used up to a maximum length of 3m (9.84ft).
Hotkey sequences are not working.
Hotkey sequences will not be validated if too much time elapses between keystrokes. For best results,

please identify which hotkey sequence you require prior to inputting any commands. Each keystroke
should take place within 2 seconds of the previous one.
Try with other leading codes; it can be changed from "Scroll Lock" (default) to "Num Lock" for example

(see Hotkey table above).
Mouse, keyboard or device are not working.
Unplug and reconnect the mouse, keyboard and devices in use.

Check the length of the USB cables in use. It is recommended that USB cables are used up to a

maximum length of 3m (9.84ft).
There may be a compatibility issue with the connected keyboard and mouse, this can occur when

using wireless peripherals. Please try using wired devices.
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