Troubleshooting
Symptom
Mouse / Keyboard not responding.
USB devices not responding.
Possible Cause
Improper mouse and/or keyboard reset.
KVM switch needs to be reset.
USB ports need to reset.
PC or OS does not support USB 2.0.
Action
Unplug the cable(s) from the console port(s), then plug it/them back in.
Power off all devices on the installation.
Power off the KVM switch; wait five seconds; then power up
Unplug the device’s USB cable from the USB port on the switch’s rear panel, then plug it back in.
The GCS1204 has a
There are ghost
images on the external monitor.
The distance between the external console and the GCS1204 is too great. The maximum VGA cable distance should not exceed 20m and, in some cases, may
need to be shorter. Replace the VGA cable with one of an appropriately short length.
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