Black Box KV9622A - A.2 Contacting Black Box

Page 23
724-746-5500 | blackbox.com
KV9622A
Appendix: Troubleshooting
Solution #2: Turn off the device driver (not keyboard or mouse) before switching
the computer.
Problem: AutoScan does not switch a PC automatically and the ServSwitch
beeps.
Cause: All PCs are off or only one PC is powered on. The scan mode works for
powered-on computers only.
Solution: Power on the computers.
Problem: The resolution is not good or the video is not working.
Cause: Improper ServSwitch video settings.
Solution: Press the FUNC button on the rear of the unit to adjust the optimal
videosignalstrengthaccordingtothelengthorqualityofDVIcable(4-portmodel
only).
Problem:WhenusersplugandunplugtheDVIconnectororswitchfromportto
port, there is no video signal.
Cause #1:SomeDVIvideocardsdon’trespondtosimultaneousswitchsignals.
Solution #1: Wait a few seconds, then use the Function button to adjust the
video signal strength.
Cause #2:YouareusinganalogvideothroughaDVI-IcablewiththeKV9622A.
Solution #2:TheKV9622Adoesnotsupportanalogvideo.Youwillneedtouse
digital video signals only with the 2-port model.
A.2 Contacting Black Box
Ifyoudeterminethatyour2-or4-PortServSwitchDTSeriesUSB/DVI/Audio
KVMSwitchismalfunctioning,donotattempttoalterorrepairtheunit.It
contains no user-serviceable parts. Contact Black Box Technical Support
at 724-746-5500 or info@blackbox.com.
Before you do, make a record of the history of the problem. We will be able to
provide more efficient and accurate assistance if you have a complete description,
including:
•thenatureanddurationoftheproblem.