StarTech.com SV431USB - Manual (Page 11)

Instruction Manual 8
Troubleshooting
Symptom Causes Solutions
Keyboard or mouse
does not work
In Auto Scan, keyboard and
moust are not operable.
Too many keyboard or
mouse drivers installed
Press any front button to select
a computer, then use the
keyboard and mouse. Remove
all unnnecessary keyboard and
mouse drivers
Newly installed USB
device does not
work
• Improper device driver.
Device consumes
too much power.
Device consumes
too much power
instantaneously
• Improper device
initialization. When
StarView switch
works under self-
power, i.e., no power
supply added, it
supports max of
100mA as per USB
spec
Re-install device driver. The
device should be self-powered,
add a power adapter to the
device. If the device doe not
provide power jack, add a
power adapter of less than 1A
current rating to the StarView
switch.
Be sure the USB cable
is well seated to ensure
communication. Remove all
power sources to the StarView
by unplugging all USB A-B
cables and the power adapter;
then start all over again.
Select the computer by push
button, restart the computer
and try again
Computer hangs
up 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 or mouse) before
computer switching
Auto Scan does
not switch PC
automically and
StarView beeps
All PCs are off or only
one PC is turned on. can
mode works on power-on
computers only
Turn computers on