
Dual 4K Extender with USB 2.0
© Copyright 2020 Hall Research, Inc.
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5.0 Troubleshooting
If you are experiencing problems getting the ULTRA-4K to work properly,
please use the following troubleshooting suggestions.
•
Ensure that all connections are secure. Check all status LEDs to ensure
proper operation.
•
Try resetting the system by unplugging the power supply, waiting 5
seconds and plugging it back.
•
Try restoring factory defaults using the PC GUI.
Contacting Hall Research
If you determine that your ULTRA-4K is malfunctioning, do not attempt to
repair the unit.
Instead, contact Hall Research Technical Support at 714-641-6607. To return
the unit to Hall Research you must first get a Return Authorization (RMA)
number.
Package the unit carefully, if returning. We recommend that you use the original
container.
NOTE
There are no user-serviceable parts inside. Do not attempt to
try to repair the unit yourself, as this will void your
warranty.