Aten CS1782A [52/54] Troubleshooting

Aten CS1782A [52/54] Troubleshooting
CS1782A / CS1784A User Manual
44
Troubleshooting
Operation problems can be due to a variety of causes. The first step in solving
them is to make sure that all cables are securely attached and seated completely
in their sockets. In addition, updating the product’s firmware may solve
problems that have been discovered and resolved since the prior version was
released. If your product is not running the latest firmware version, we strongly
recommend that you upgrade. See Chapter 6, The Firmware Upgrade Utility,
for details.
(Continues on next page.)
Symptom Possible Cause Action
Mouse and/or
Keyboard not
responding.
Improper mouse
and/or keyboard
reset.
Unplug the cable(s) from the console port(s),
then plug it/them back in.
KVM switch
needs to be reset.
Power off all devices on the installation (see
safety note, page 39); power off the KVM
switch; wait five seconds; then power up.
USB devices not
responding.
USB ports need to
reset.
Unplug the device’s USB cable from the USB
port on the switch’s rear panel, then plug it
back in.
PC or OS does
not support USB
2.0.
The unit has a built-in USB 2.0 hub, so does
not support PCs or OS that do not support
USB 2.0.
For OS that do not support USB 2.0, keyboard
and mouse functions can be reset using the
[F1] hotkey function. See SPC Mode, page 27.
Device not
recognized
(Windows).
Windows timing
problem.
Unplug the KVM cable from the computer’s
USB port; go into Windows’ System Settings
and remove the Unknown Device entry; plug
the KVM cable back in. Windows now
recognizes the device.
Cannot switch
ports by pressing
[Scroll Lock]
twice.
Keyboard is
incompatible with
Scroll Lock
invocation.
Switch to the Alternate HSM invocation keys.
See Alternate HSM Invocation Keys, page 23,
for details.
Monitor does not
display after KVM
cable set is hot
plugged.
Some HDMI/DVI
graphics cards
are incompatible
with cable set hot
plugging.
Power off all devices on the installation (see
safety note, page 39); power off the CS1784A;
confirm all KVM cables are properly
connected; power on the CS1784A; power on
the computers.

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