Section 5 - Troubleshooting; Troubleshooting Guide - HighSecLabs K304 User Manual

Troubleshooting Guide

Important Note:
If you are aware of potential security vulnerability while
installing or operating this product, we encourage you to contact
us immediately at the
security@highseclabs.com
The security@highseclabs.com email address is not intended to
reach technical support on HSL products or services. Any
support inquiries should
support@highseclabs.com.
General
Problem: No power - No video output, none of the front panel LEDs
is illuminating.
Solutions:
Check that the power supply is properly connected to the mains
•
socket.
Check that DC plug is fully inserted into the switch DC jack.
•
Check that the device is powered by using optical mouse with
•
visible red light. If power not available – change power supply.
Problem: Channel select LEDs are blinking. Secure KVM Switch does
not work.
Solutions: Device anti-tampering system was triggered. Change unit
and call HSL technical support.
K304x-K308 Secure KM Switch User Manual
following email address:
be directed to
Keyboard
Problem: Keyboard and mouse are not working (two channels)
Solutions:
Check that computer USB and video cables are not crossed
•
(i.e. computer #1 video connected to KVM port #1 while
USB cable is connected to KVM port #2).
Problem: Keyboard and mouse are not working (all channels)
Solutions:
Check that keyboard is not plugged into mouse port (and
•
mouse not plugged into keyboard port).
Problem: Keyboard does not work (all channels)
Solutions:
Check that the keyboard you are using is connected
•
properly to the Switch.
Check that the USB cable between the Switch and the
•
computer is completely connected.
Try connecting to a different USB port on the computer.
•
Make sure the keyboard works when directly plugged into
•
the computer (the HID USB driver is installed on the
computer).
Rebooting may be necessary when trying this.
•
Make sure you are not using a wireless keyboard or a
•
keyboard with an integrated USB hub or other USB-
integrated devices. These are not supported by the switch
due to security policy.
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Section 5 - Troubleshooting