- Raritan Paragon II User Guide

APPENDIX H: TROUBLESHOOTING 103
Appendix H: Troubleshooting
SYMPTOM: PROBABLE CAUSE:
No Power. Loose Power Cord.
Power switch is off.
Paragon II Matrix Switch or User Station (P2-UST) surge protection
invoked during a power recycling process. Power off unit, wait 20
seconds, then power unit on.
All computers have no
video display.
Loose Category 5e UTP cable.
Loose monitor connection
P2-UST is connected and functioning properly if Num Lock key
lights keyboard’s Num Lock LED.
Monitor video display
for some connected
computers is distorted.
Monitor type does not match video output designation from
computer.
Keyboard non-
functional, even though
there is no keyboard
error at power up.
Cannot input to any
computer.
Loose keyboard connection to P2-UST1.
Loose Category 5e UTP cable.
Keyboard broken. Hot-swap with a new keyboard.
Repeated “Keyboard
ERROR” at computer
power-up.
Loose cable from computer to CIM.
Loose Category 5e UTP cable.
Paragon II components may be out of order. Verify that computer
works with a keyboard directly connected. Contact Raritan
Technical support for assistance.
Keyboard suddenly
locks-up when a
particular computer is
selected, but works
normally when other
computers are selected.
Loose keyboard cable connection.
Voltage spike (increase) or brown out (decrease) in power supply to
connected Paragon II Matrix Switch unit. Power down Switch, wait
20 seconds, then power on unit. Powering Switch from a UPS avoids
variation in power supply to Switch.
Repeated “MOUSE
INSTALLATION
FAILURE” at
computer power-up.
Loose mouse cable from computer to CIM
Loose Category 5e UTP cable If error occurs only with new
computers being added to system, contact Raritan Technical Support
for assistance – mouse emulation firmware may need to be upgraded
for compatibility with newer computers.
Mouse suddenly locks
up when a particular
computer is selected,
but works normally
when other computers
are selected.
Loose cable from computer to CIM.
Loose Category 5e UTP cable.
Paragon II components may be out of order. Verify that computer
works with a mouse directly connected. Contact Raritan Technical
support for assistance.
On-Screen User
Interface (OSUI) non-
functional.
Replace keyboard. OSUI works only with PS/2 or extended AT-
style keyboards.