Appendix
39
Troubleshooting
Operation problems can be due to a variety of causes. The first step in solving
them is to make sure that all cables are securely attached and seated completely
in their sockets. In addition, updating the product’s firmware may solve
problems that have been discovered and resolved since the prior version was
released. If your product is not running the latest firmware version, we strongly
recommend that you upgrade. See The Firmware Upgrade Utility, Chapter 6,
for upgrade details.
Symptom Possible Cause Action
Erratic
behavior.
Unit not
receiving
enough power.
Use a DC 5V power adapter if you are not
already using one. If you are already using a
power adapter, check that it matches the
system specifications, and that it is plugged
in and functioning properly.
Keyboard and/or
mouse need to
be reset.
Unplug the cable(s) from the console port(s),
then plug it/them back in.
No connection to
the computer.
Check the cable from the switch to the
computer to make sure it is properly
connected.
KVM switch
needs to be
reset.
Power off all devices on the installation;
power off the KVM switch; wait five seconds;
then power up.
USB devices
not responding.
USB ports need
to be reset.
Unplug the device’s USB cable from the USB
port on the switch’s rear panel, then plug it
back in.
Use the USB Reset hotkey combination (see
page 24), to reset the USB ports.
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