StarTech.com 4-Port DVI USB KVM Switch with Audio and USB 2.0 Hub (Black) User Manual
Page 10

Instruction Manual
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Symptom
Causes
Solutions
Keyboard or
mouse does not
work
In Auto Scan mode, the
keyboard and mouse are not
operable.
Press any front panel button
to select a computer, then
use the keyboard and
mouse.
Newly installed
USB device
does not work
Improper device driver
Device consumes too much
power.
Improper device
initialization
Re-install device driver.
The device should be
self-powered; add a power
adapter to the device.
Be sure the USB cable
is well seated to
ensure communication
Computer hangs while
switching computers
Device initialization takes too
much time.
Wait at least 5 seconds
before computer switching to
ensure proper USB
communication.
Turn off device driver
(not keyboard nor mouse)
before switching.
Auto Scan does not switch
PC automatically and
SV431DVIUA beeps
All PCs are off or only one
PC is turned on. Scan mode
works for power-on
computers only.
Turn computers on.
Poor video resolution
Improper video settings
To adjust the optimal video
signal strength
corresponding to the length
or quality of DVI cable, press
the
FUNC
button combined
with the other buttons.