Appendix A

Troubleshooting

Problem

Possible Cause

Action

Unit operates

Erratically.

Static electricity may

cause the hub to

behave erratically.

Reset the hub and AC power adapter by disconnecting it from your computer. Wait 5 seconds, then reconnect it.

USB devices Connected USB

operate erratically or devices may require

can't be powered

too much power for

on.

bus-powered

 

operation.

Unit fails to operate

Non-USB compliant

at all.

operating system.

7

Connect the AC power adapter to the hub.

Insure that your computer is fully USB- compatible and a USB- compliant operating system is installed. (see System Requirements section)

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CyberPower Systems CP-H720P quick start Appendix a, Troubleshooting