Appendix A

Troubleshooting

Problem Possible Cause A

Problem Possible Cause Action

Unit operates
Erratically.
Static electricity may
cause the hub to
behave erratically.
Reset the hub and
disconnecting it from
your computer. Wait 5
seconds, then
reconnect it.
USB devices
operate erratically or
can't be powered
Connected USB
devices may require
too much power for
bus-powered
Connect the AC power
adapter to the hub.
Unit fails to operate
at all.
Non-USB compliant
operating system.
Insure that your
computer is fully USB-
compatible and a USB-
compliant operating
system is installed.
(see System
Requirements section)
AC power adapter by
on.
operation.
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