Specifications

Chassis Plans CPR-30201 KVM Technical Reference
Page 40
Troubleshooting
Symptom Possible Cause Action
Keyboard
and/or
Mouse not
responding.
Keyboard
and/or mouse
need to be
reset.
Press and hold port selection
switches 1 and 2 for two seconds
Unplug the cable(s) from the console
port(s), then plug it/them back in.
No connection
to the
computer.
Check the cable from the switch to
the computer to make sure it is
properly connected.
KVM switch
needs to be
reset.
Power off all devices on the
installation; power off the KVM
switch; wait five seconds; then power
up.
USB
devices not
responding.
USB ports need
to be reset.
Unplug the device’s USB cable from
the USB port on the switch’s rear
panel, then plug it back in.
Use the USB Reset hotkey
combination, to reset the USB ports.
Device not
recognized
message
(Windows)
Windows timing
problem.
1. Unplug the KVM cable from the
computer’s USB port.
2. Go into Windows’ System Settings
and remove the Unknown Device
entry.
3. Plug the KVM cable back in.
Windows will now recognize the
device.
Sun system
does not
start.
CPU port not
configured
correctly.
The first time that a Sun system runs
from a port, you must configure its
port for the Sun keyboard operating
platform before you turn the system
on, or else the Sun system will not
start.