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8-Port DVI USB Module
Appendix. Troubleshooting
A.1 Problems/Possible Causes/Solutions
Problem:
The mouse does not work.
Possible Cause #1:
Too many mouse drivers are installed in the computer.
Solution #1:
Make sure there is only one mouse driver installed in each computer.
Possible Cause #2:
The wrong mouse driver is installed.
Solution #2:
Use a Microsoft
®
mouse driver.
Problem:
The monitor works fine, but the keyboard and mouse do not work.
Possible Cause #1:
Cables might be swapped.
Solution #1:
Connect the cables according to the PC99 standard keyboard and
mouse icons on the connectors.
Possible Cause #2:
Incorrect cables are used.
Solution #2:
Use only USB compatible cables.
Problem:
The video image is not clear.
Possible Cause:
You’re using poor-quality video cables.
Solution:
Use UL
®
2919 rated, double-shielded video cables.
Problem:
No screen image appears or no OSD menu appears.
Possible Cause:
The selected computer is not powered on.
Solution:
Power on a computer and select it using the front-panel buttons.
Problem:
A keyboard error appears when you power on the ServSwitch.
Possible Cause:
The keyboard cable connection is loose.
Solution:
Make sure that the keyboard cable connections are secure.
