
Troubleshooting
The following table provides troubleshooting tips.The topics are arranged in the order in which they should
be executed in most situations. If you are unable to resolve the problem after following these instructions,
please contact Technical Support for further assistance.
PROBLEM CAUSE SOLUTION
are off.
power from the USB port. and host computer is properly installed.
2. Move the USB connector to another USB port
on the host computer.
are off.
power from the AC adapter.
1. Ensure that the AC power adapter is properly
2. Check that the AC adapter is connected to a live
source of electrical power.
blinking.
a USB 3.0 port.
support USB 3.0.
1. Ensure that the host computer supports USB 3.0,
The centre of the port should be blue. Another
colour, such as black usually indicates a USB 2.0
port.
blinking on one
or both units. The computer went into
suspend, hibernate or sleep
mode.
The computer tried to suspend
the USB 3.0 port that is
1. Follow the steps in “Preparing Your Computer” on
page 7 to disable suspend modes on your
manual for additional instructions if necessary.
powered on.
the computer (when used with
USB 3.0 host.
6. In the Universal Serial Bus controllers section of
Device Manager, check that the Spectra 3022 is
recognized as two“Superspeed Hubs”or two
“3.0 Hubs”.
7. If problem persists, contact Technical Support for
assistance.
note It may be recognized as “Superspeed Hub”,
“3.0 Hub” or by other names, depending on
the operating system and driver installed.
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