PROBLEM
CAUSE
SOLUTION
All LEDs on both
the LEX and REX
units are SOLID ON,
but the USB device
is not operating
correctly, or is
detected as an
“Unknown Device”
in the operating
system.
»
The USB device is
malfunctioning.
»
The computer does not
recognize the USB device.
»
The application software
for the USB device is not
operating.
»
The USB extender is
malfunctioning.
1. Disconnect the extender from the computer.
2. Connect the USB device directly to the host
computer.
3. If the device does not operate as expected, consult
the user documentation for the device.
4. Update the host computer BIOS, chipset, or USB
controller drivers from the manufacturer’s website.
5. If the device operates as expected when directly
connected to the computer, connect another
device to the extender and reconnect it to the host
computer.
6. If the second device does not operate, the extender
may be malfunctioning. Contact Technical Support at
.
7. If the second device operates as expected, then
the first device may not be compatible with this
extender. Contact
A USB 3 device is
not enumerating
as USB 3, or the
operating system is
notifying the user
that the device can
“Perform Faster if
connected to a USB
3 port.”
»
The USB device is
malfunctioning.
»
The computer does not
recognize the USB device.
»
The application software
for the USB device is not
operating.
»
The USB 3 port on the
computer is malfunctioning.
»
The USB extender is
malfunctioning.
1. Disconnect the extender from the computer.
2. Connect the USB 3 device directly to the host
computer.
3. If the device does not operate as expected as a
USB 3 device, consult the user documentation for
that device or try a different USB port on the host
computer.
4. Update the host computer BIOS, chipset or USB
controller drivers from the manufacturer’s website.
5. If the device operates as a USB 3 device when
directly connected to the computer, connect another
USB 3 device to the extender and reconnect it to the
host computer.
6. If the second device does not operate as a USB 3
device, the extender may be malfunctioning. Contact
Technical Support at
.
7. If the second device operates as a USB 3 device
as expected, then the first device may not be
compatible with this extender. Contact Technical
Support at
.
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