CyberPower Systems CyberPower CP CP-H720P - Manual (Page 10)

Appendix A
Troubleshooting
7
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.