IOGear GCS1644 v1 - Manual (Page 32)

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Upgrade Fail
If you don’t see “Firmware upgrade OK” in the “Status Messages” window, it means the utility has failed to
complete the firmware successfully. If that occurs, please do the following:
Step 1
Unplug the DC connector from the KVM,
then remove the housing of the KVM.
Step 2
Using a jumper cap, short the jumper on the
main board labeled J40 (for GCS1642) / J45
(for GCS1644).
Step 3
Now plug the DC connector back into the
DC jack from the KVM. This will restore the
KVM with factory default firmware.
GCS1642
GCS1644